The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, N. L. (Nathaniel Lord), 1859-1934; Rose, J. N. (Joseph Nelson), 1862-1928 (New York : Dover Publications, 1963)
"Unaltered republication of the second edition published in 1937 .. First published in 1920 as Publication no. 248 of the Carnegie Institution of Washington."
In four volumes bound as two
Keywords: Cactus