Guide to Federal Records in the National Archives of the United StatesThis major reference work, originally published in book form, provides an introduction to more than 1.7 million cubic feet of textual records, 300,000 rolls of microfilm, 2.3 million maps and charts, 9.2 million aerial photographs, 7.4 million still pictures, 178,000 sound recordings, 123,000 motion picture reels, and 7,000 computer data sets located in National Archives depositories in Washington; College Park, MD; regional branches; presidential libraries; and affiliated archives. It describes NARA's holdings as of September 1, 1994. The Guide is organized into descriptions of nearly 500 record groups, some dating from the prefederal period, that document the executive, legislative, and judicial branches of government. Separately published finding aids noted in some record group descriptions supplement Guide entries. The third volume is a comprehensive index. [Choice]