This photograph was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. Three women, possibly members of the White House staff, proceed into a Ground Floor entrance located under the formal entrance through the North Portico.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph was taken outside the entrance to the East Wing in March 1972 by David R. Bridge, during the administration of Richard M. Nixon. Built in 1942, during the Franklin D. Roosevelt administration, the East Wing originally housed wartime offices. President Roosevelt had intentions of eventually using the space as a museum for White House artifacts. Since the 1940s, the East Wing has also been used by first ladies, with First Lady Rosalynn Carter officially establishing the Office of the First Lady in 1977. This entrance, located directly across the driveway from the columns, leads to the East Wing Lobby and serves as the primary visitor entrance into the White House. The people visible in the driveway are unidentified.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph was taken outside the entrance to the East Wing in March 1972 by David R. Bridge, during the administration of Richard M. Nixon. Built in 1942, during the Franklin D. Roosevelt administration, the East Wing originally housed wartime offices. President Roosevelt had intentions of eventually using the space as a museum for White House artifacts. Since the 1940s, the East Wing has also been used by first ladies, with First Lady Rosalynn Carter officially establishing the Office of the First Lady in 1977. This entrance, located directly across the driveway from the columns, leads to the East Wing Lobby and serves as the primary visitor entrance into the White House. The people visible in the driveway are unidentified.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph was taken outside the entrance to the East Wing in March 1972 by David R. Bridge, during the administration of Richard M. Nixon. Built in 1942, during the Franklin D. Roosevelt administration, the East Wing originally housed wartime offices. President Roosevelt had intentions of eventually using the space as a museum for White House artifacts. Since the 1940s, the East Wing has also been used by first ladies, with First Lady Rosalynn Carter officially establishing the Office of the First Lady in 1977. This entrance, located directly across the driveway from the columns, leads to the East Wing Lobby and serves as the primary visitor entrance into the White House. The people visible in the driveway are unidentified.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This photograph was taken outside the entrance to the East Wing in April 1972 by David R. Bridge, during the administration of Richard M. Nixon. Built in 1942, during the Franklin D. Roosevelt administration, the East Wing originally housed wartime offices. President Roosevelt had intentions of eventually using the space as a museum for White House artifacts. Since the 1940s, the East Wing has also been used by first ladies, with First Lady Rosalynn Carter officially establishing the Office of the First Lady in 1977. This entrance, located directly across the driveway from the columns, leads to the East Wing Lobby and serves as the primary visitor entrance into the White House. The people visible in the driveway are unidentified, possibly members of the White House Police force and staff.

This photograph was taken outside the entrance to the East Wing in April 1972 by David R. Bridge, during the administration of Richard M. Nixon. Built in 1942, during the Franklin D. Roosevelt administration, the East Wing originally housed wartime offices. President Roosevelt had intentions of eventually using the space as a museum for White House artifacts. Since the 1940s, the East Wing has also been used by first ladies, with First Lady Rosalynn Carter officially establishing the Office of the First Lady in 1977. This entrance, located directly across the driveway from the columns, leads to the East Wing Lobby and serves as the primary visitor entrance into the White House. The people visible in the driveway are unidentified, possibly members of the White House Police force and staff.

This photograph of the north view of the White House was taken in April 1972 by James P. Blair during the administration of Richard M. Nixon. The North Fountain is prominently featured, along with a member of possibly the White House staff. President Grant first added flowerbeds, a fountain, and a circular pool to the north front of the White House in 1874. The flowers around the North Lawn fountain are changed three times a year. Approximately 4,000 oxford tulips and 8,000 grape hyacinth are planted each spring.

This photograph of the Jacqueline Kennedy Garden was taken in March 1972 by David R. Bridge during the administration of Richard M. Nixon. With the Magnolia trees bloom, an unidentified woman, possibly a member of the White House staff, walks along the pebble path that surrounds the garden. The pergola was designed by I.M. Pei in 1965.

This document is a pay roll for men working on the grounds of the White House as part of an earth moving project to reshape the lawns. The page records the names, dates worked, wages, and signatures of the employees and the witness to receiving their pay.

This photograph captures two White House chefs, Kevin Saiyasak and Jeremy Kapper, as they harvest winter vegetables in the Kitchen Garden. The vegetables picked were later used at the State Dinner held in honor of Prime Minister David Cameron of Great Britain and his wife, Samantha Cameron. The Kitchen Garden is located on the South Grounds.

This photograph shows Head Gardener Robert Redmond inspecting recently planted flowers near the Rose Garden.

This photograph by Abbie Rowe of the National Park Service shows gardeners replacing boxwood hedges in the Rose Garden following the Truman Renovation.

This black and white photograph shows the north lawn and fountain as it looked during the administration of Theodore Roosevelt. Roosevelt had remodeled the White House in the Beaux-Arts style, including the exteriors. In the photograph, gardeners work to plan flowers around the fountain.

This photograph of a florist preparing floral arrangements for a State Dinner was taken by White House photographer Samantha Appleton. The State Dinner was held on May 19, 2010 in honor of Mexican Felipe Calderon and his wife, Margarita Zavala. The florist is working outside the East Tradesman Entrance to the White House.

This black and white stereograph by Montgomery Cunningham Meigs shows a sentry standing near the iron gates around the White House during the Civil War. The fencing was intended to help control public access to the White House from the street.

This black and white photograph is of the West Wing of the White House. A guard poses outside a small guard house placed just south of the building.