"Potomac River" . . "Washington (D.C.)" . . . . . . . . . "Aerial photographs" . . . . . . . . . . . . "Portraits" . . . . . . . . . . . "Group portraits" . . "Photographic prints" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Negatives" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Arthur E. Scott photograph collection" . . . "Slides" . . . . . . . . . . . . . . . . "This collection contains photographs taken by Arthur E. Scott, a photojournalist and photo-historian for the U.S. Senate. It contains over 5,000 prints and negatives of United States politicians (mainly Senators), political events such as campaigns and inaugurations, and landmarks throughout the Washington, D.C. area, from the mid-1930s to the 1970s. There are also 27 scrapbooks compiled by Arthur E. Scott, primarily consisting of newspaper clippings of Scott's photographs. The collection also contains glass negatives from the 1910s and 1920s that were taken by other photographers." . . . . . . . . . . . . . . . . . . . "Panama Canal (Panama)" . .