(026410) Furness, Caroline E. An Introduction To The Study Of Variable Stars. Boston: Houghton Mifflin Company, 1915. 1st Edition. Hardcover. 8vo. 317 pages. Good+ with no DJ. B&W Photographs. Dark blue cloth with gold lettering . Very small tear in cloth at top of spine and small tear and bump at bottom of spine. Tight and clean. Vassar Semi-Centennial Series.