21687. Richmond, C. W.   Birds Collected by Dr. W. L. Abbott on the Coast and Islands of Northwest Sumatra.   Smithsonian Institution, 1903, Proceedings, Volume 26 (1318) : pages 485-524.   Softbound, previous owner marks on front wrap, text in very good condition.    $6.00

130198. Miller, G. S.   The Mammals of Engano Island, West Sumatra.   Smithsonian Institution, 1906, Smithsonian Miscellaneous Collections, Volume 30 : pages 819-825.   Softbound, minor signs of use, text in very good condition.   Original Publication, not a modern reprint.   $5.00

14546. Oberholser, H. C.   Notes on Dr. W. L. Abbott's Second Collection of Birds from Simalur Island, Western Sumatra.   Smithsonian Institution Press, 1919, Proceedings, Volume 55 (2282) : pages 473-498.   Softbound, previous owners marks on front wrap, signs of age, uncut text in very good condition.    $5.00

14539. Lyon, M. W.   Mammals Collected by Dr. W. L. Abbott on the Chain of Islands Lying off the Western Coast of Sumatra, with Descriptions of Twenty-Eight New Species and Subspecies.   Smithsonian Institution Press, 1919, Proceedings, 52 (2188) : 437-462.   Printed wraps, minor previous owner marks on front wrap, moisture stain that does not impact text, usual signs of use and age, trimmed text in good plus condition.    $10.00

113815. Van Marle, J. G. and Voous K. H.   The birds of Sumatra.   British Ornithologists' Union, London, 1988, British Ornithologists' Union Check-list, Number 10 : 265 pages with 16 black and white photos.   Softbound, very good condition.   Original publication, not a modern reprint.   $30.00