Study guide to accompany Principles of sociology (rev. ed., Century co. 1930) and Test and challenges in sociology (Century co. 1931) by Edward Alsworth Ross,

Mode of access: Internet.

Economic survey of the book industry, 1930-1931,

Mode of access: Internet.

A list of references on tax exemption of securities (supplementary to mimeographed lists, 1931 and 1938)

On cover: Tax exemption of securities, a supplementary list of references.

Payment of veterans' adjusted-service certificates : hearings before the Committee on Finance, United States Senate, Seventy-first Congress, third session, relative to payment of veterans' adjusted-service certificates. February 18, 1931.

Reed Smoot, chairman.

International exposition of colonial and overseas countries : Hearings before the Committee on Foreign Affairs, House of Representatives, Seventy-first Congress, third session, on H.J. Res. 416, a joint resolution to increase the amount authorized to be appropriated for the expenses of participation by the United States in the international exposition of colonial and overseas countries to be held at Paris, France, in 1931. December 9, 1930.

Mode of access: Internet.

Century-of-progress fair at Chicago in 1933 : hearing before the Committee on the Library, House of Representatives, Seventy-first Congress, third session, on H.J. Res. 448, providing for the participation of the United States in a century of progress (at the Chicago World's Fair centennial celebration) to be held at Chicago, Illinois, in 1933, authorizing appropriation therefor, and for other purposes. January 15, 1931.

Mode of access: Internet.