6th EditionArthur T. DeGaetano, Jay M. Pasachoff, Mead A. Allison2,271 explanations
1st EditionFrances Scelsi Hess, Kunze, Letro, Sharp, Snow2,572 explanations
1st EditionFrances Scelsi Hess, Kunze, Letro, Sharp, Snow2,572 explanations
1st EditionArthur T. DeGaetano, Jay M. Pasachoff, Mead A. Allison2,275 explanations