This work, presented to the 26th Mexican Federal Congress, focuses on the Mexican oil industry. It details its origins, development, and capital investments. It also notes its production and profitability to the nation. It calls for legislation and nationalization.

Novel with illustrations consisting of line drawings, photographic reproductions, and cartoons. It provides anecdotal information and interviews as well as a fictionalized account of his life. The work focuses not only on Zapata’s military achievements, but also personal information. Includes text of El Plan de Ayala, Zapata's manifesto on land reform.

General directory for El Paso, Texas includes address listings for businesses and individuals as well as advertisements from local businesses. According to the title page, the directory contains "a General Directory of Individuals, Corporations and Firms Alphabetically Arranged, a Classified Business Directory, a Complete Street Guide, and Miscellaneous Information of Value to Citizens and Strangers."