Correspondence and papers of William Alexander Greenhill, 1839-1894, mainly relating to medical biography including notes on Galen; notes on the classification of animals; printed drawings of surgical instruments; notes on Arabic medicine and transcripts of Arabic texts; five engravings of Halle and engraving of A H Francke's Monument; prescriptions; biographical notes on doctors and other eminent men and correspondence, chiefly on his work on Galen.