Medical books before the invention of printing, P.M.Jones; medical incunabula, D.E.Rhodes; medical books of the 16th century, Y.Hibbott; 17th century medical books, C.R.English; medical books from 1701-1800, P.C.Want; medical books of the 19th century, G.Davenport; the growth of medical periodical literature, L.T.Morton; medical bibliographies and bibliographers, J.Symons; private medical libraries, A.Besson; medical libraries of today, R.B.Tabor.