RT Journal T1 Anniversary volume: Scientific contributions in honor of joseph hersey pratt on his sixty-fifth birthday. JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1939 FD February 1 VO 63 IS 2 SP 432 OP 432 DO 10.1001/archinte.1939.00180190234021 UL http://dx.doi.org/10.1001/archinte.1939.00180190234021 AB This Festschrift, as appears from the title, contains a collection of papers by various authors. The subjects, like Dr. Pratt's own activity, range over the entire field of the science, practice, history and teaching of medicine. The contributors number one hundred and twenty. The separate papers have already been published in the Annals of Internal Medicine.