1. Colloid chemistry Creator: Hartman, Robert J. 1906- Collection: Core Historical Literature of Agriculture Publisher: Houghton Mifflin Company, Publication Place: New York : Date: 1939 Format: Book
2. Colloidal phenomena: an introduction to the science of colloids, Creator: Hauser, Ernst A. 1896- Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill Book Co., Publication Place: New York ; London : Date: 1939 Format: Book