Greenberg's guide to Lionel postwar partsAl Weaver, Alan T. Weaver · First published 1989Open the Tome
Greenberg's guide to Lionel prewar parts & instruction sheetsRobert J. Osterhoff, Al Weaver · First published 1987Open the Tome
Summary technical report of the Applied Mathematics Panel, NDRCWarren Weaver, Vannevar Bush, James Bryant Conant, United States. Office of Scientific Research and Development. National Defense Research Committee, Columbia University. Division of War Research · First published 1946Open the Tome
