Hartough, Howard D. Thiophene and its derivatives Howard D. Hartough with special chapters by F.D. Hochgesang and F.F. Blicke. - New York Interscience Pub. 1952 - xvii, 533p.: ill. Contents v.3 The Chemistry of Heterocyclic compounds. Subjects--Topical Terms: Hetrocyclic. Dewey Class. No.: 547.7 / H38T