1st EditionDaniel M. Shea602 explanations
16th EditionGeorge C. Edwards III, Martin P. Wattenberg, Robert L. Lineberry269 explanations
1st EditionDonald A. Ritchie, Richard C. Remy1,148 explanations
1st EditionDonald A. Ritchie, Richard C. Remy1,148 explanations