THE ANALYSTICAL ENGINE AN INTRODUCTION TO COMPUTER SCIENCE USING HYPERCARD 2.1 SECOND EDITION
RICK DECKER STUART HIRSHFIELD1994 年出版391 页ISBN:0534936962
AMERICAN PASSAGES:A HISTORY OF THE UNITED STATES VOLUME Ⅱ:SINCE 1863 SECOND EDITION
EDWARD L.AYERS AND OTHERS2004 年出版959 页ISBN: