In this photograph, Tricia Nixon unwraps presents during a bridal shower that was held in her honor by Second Lady Judy Agnew on June 1, 1971. Seated near Tricia Nixon are, from left to right: her sister Julie Nixon Eisenhower (on floor), former First Lady Mamie Eisenhower, and First Lady Pat Nixon, Tricia's mother. Tricia Nixon married Edward Cox, a law student at the time, in a Rose Garden ceremony on June 12, 1971.

This photograph showing guests toasting Tricia Nixon and Edward Cox at their wedding rehearsal dinner was taken on June 11, 1971 by Jack E. Kightlinger. The rehearsal dinner took place at Blair House. Blair House is located across Pennsylvania Avenue from the White House and is known as the President's Guest House. Visiting diplomats and dignitaries stay at Blair House while on official visits to the White House, and it is where the president-elect and first family reside prior to taking the oath of office.

In this photograph, Tricia Nixon unwraps presents during a bridal shower that was held in her honor by Second Lady Judy Agnew on June 1, 1971. Seated near Tricia Nixon (in white at right) are, from left to right: her sister Julie Nixon Eisenhower (on floor), former First Lady Mamie Eisenhower, and First Lady Pat Nixon, Tricia's mother. Tricia Nixon married Edward Cox, a law student at the time, in a Rose Garden ceremony on June 12, 1971.

In this photograph, taken by National Park Service photographer Abbie Rowe on November 12, 1953, First Lady Mamie Doud Eisenhower receives officers from the National Council of Negro Women outside the North Door of the White House. As first lady, Mrs. Eisenhower accepted honorary membership in the organization and hosted the first White House reception for the National Council of Negro Women. Pictured here from left to right: Carmel Carrington Marr, Jane M. Spaulding, Mrs. Eisenhower, Daisy E. Lampkin, and Ruth Caston Mueller.

In this photograph, taken on January 29, 1970 by Joseph J. Scherschel of National Geographic, First Lady Patricia Nixon sits with former First Lady Mamie Doud Eisenhower in the Yellow Oval Room, on the Second Floor of the White House. On that day, Mamie Eisenhower was invited to the White House to receive the Distinguished Volunteer Service Award from the American Heart Association in the Diplomatic Reception Room.

In this photograph, taken on January 29, 1970 by Joseph J. Scherschel of National Geographic, First Lady Patricia Nixon stands with an arm around former First Lady Mamie Doud Eisenhower in the Yellow Oval Room, on the Second Floor of the White House. On that day, Mamie Eisenhower was invited to the White House to receive the Distinguished Volunteer Service Award from the American Heart Association in the Diplomatic Reception Room.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph is of the Eisenhower family enjoying Christmas dinner in the State Dining Room of the White House in 1960. Seated at the table are President Dwight D. Eisenhower, First Lady Mamie Doud Eisenhower, their son John S. D. Eisenhower, and several grandchildren.

This photograph of President Dwight D. Eisenhower and First Lady Mamie Doud Eisenhower was taken at the White House on Christmas Day in 1956. The President and Mrs. Eisenhower are seen holding their youngest grandchild, Mary Jean Eisenhower.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Yellow Oval Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association in the Diplomatic Reception Room.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Yellow Oval Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association in the Diplomatic Reception Room.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Yellow Oval Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association in the Diplomatic Reception Room.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Yellow Oval Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association in the Diplomatic Reception Room.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Yellow Oval Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association in the Diplomatic Reception Room.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.

This photograph by Joseph J. Scherschel shows First Lady Pat Nixon and former First Lady Mamie Eisenhower in the Diplomatic Reception Room on January 29, 1970. Mrs. Eisenhower visited the White House that day to receive the Distinguished Volunteer Service Award from the American Heart Association for her work with the group. Also present in the photo are Owen R. Cheatham, founder and chairman of the executive committee of the Georgia Pacific Corporation; Dr. W. Proctor Harvey, president of the American Heart Association; and Lowell F. Johnson, vice president of the American Home Products Corporation.