Improving transportation services for older Americans /

"DOT-I-81-19"--V. 2, p. [4] of cover.

A Handbook for coordinating transportation services /

"DOT-T-92-11"--P. [4] of cover.

Map collections in the District of Columbia /

Partial ms. (ink, pencil, and typescript) on col. base map.

Plan for enlarging the grounds around the U.S. Capitol /

In lower margin: From "Documentary history of the construction and development of the United States Capitol Building and Grounds," 58th Cong. 2d Sess., House rept. no. 646, serial no. 4585, Washington, 1904, facing p. 1072.

Plan for enlarging the grounds around the U.S. Capitol /

Oriented with north to the left.

Visitor guide, United States Botanic Garden.

"4/08."

Visitor guide, United States Botanic Garden.

"8/08."

Visitor guide, United States Botanic Garden.

"10/2011."

The White House /

Bird's-eye view with floors separated to reveal floorplans.

The White House /

Bird's-eye view with floors separated to reveal floorplans.

The White House /

Bird's-eye view with floors separated to reveal floorplans.

The White House /

Bird's-eye view with floors separated to reveal floorplans.

The White House /

Bird's-eye view with floors separated to reveal floorplans.

The White House 1792-1992 /

Aerial view with building floors separated to reveal floorplans.

The White House /

Bird's-eye view with floors separated to reveal floorplans.