1. Transmission of heat into steam boilers; by Henry Kreisiuger and Walter T. Ray. Bookmark Corporate/Agency Authors: Mixes Bureau and Interior Department Publisher: Mixes Bureau Date: [3d edition.] [Oct.] 1912
2. Monthly statement of coal-mine accidents in United States, Jan.-Aug. 1912, and statistics. 1910 and 1911 [with list of bureau publications on mine accidents and tests of explosives]; by Frederick W. Horton. Bookmark Corporate/Agency Authors: Mixes Bureau and Interior Department Publisher: Mixes Bureau Date: 1912