New York: AMS Press, 1979.
Reprint Ed. Hardcover. Very Good with no dust jacket. Item #BOOKS002821I
Ex-Lib Library stamps/labels/pocket, o/w lt wear Solid copy. Reprint of 1914 Carnegie edition. "These things lead to the conclusion that the small climatic cycles now in progress upon the earth are in large measure due to variations in the sun."; Ex-Library; 341 pages.