Reference Base Search Results Search results for References by sigel, w.l. back to search page Sort order: ------------------- Date ASC Author normal    Sigel, W.L., 1881. Die Thierpflege des Zoologischen Gartens in Hamburg, Slot. Zoologische Garten A.F. 22 (12): 355-363 File available   details back to search page Sort order: ------------------- Date ASC Author normal