2 vols.
Ornithology - Birds of Pennsylvania: Warren, B.H. Report of the Birds of Pennsylvania. Harrisburg, 1888. 1st ed. Lg. 8vo, orig. cloth; somewhat worn, spine ends frayed. 50 plates (49 colored). Slightly shaken. * The second edition (Harrisburg, 1890) of the preceding, lg. 8vo, contemp. cloth, front hinge broken. 100 plates (99 colored). Both ex-library copies, ink stamp on title-pages, other markings on title-pages, endpapers & spine. Plates unmarked.