TY - BOOK AU - Langley,S.P. ED - Smithsonian Institution. ED - Library of Congress. TI - A list of the books forming the Langley aeronautical collection deposited in the Library of Congress by the Smithsonian institution, March 1930 AV - Z5066 .S66 PY - 1930/// CY - Washington, D.C. KW - Aeronautics KW - Bibliography N1 - Photographic reproduction, reduced, of the catalogue cards covering the collection; Arranged alphabetically, 21 cards to a page; Title-page type-written ER -