Fritze, Ronald H., 1951- Reference sources in history : an introductory guide / Ronald H. Fritze, Brian E. Coutts, Louis A. Vyhnanek - Santa Barbara : ABC-CLIO, 1990 - xvii, 319 p.; 23 cm. ISBN: 0874366798 (pbk) Subjects--Topical Terms: Historia --Bibliografías LC Class. No.: Z 6201 / F919r 1990