{Concerns Bi-centenary of Newton's death, celebrated at Columbia University on Nov. 1927. Corresp: Frederick E. Brasch; A. O. Leuschner; E. W. Brown; W. W. Campbell}
{W. H. Havens; Alan S. Hawksworth; E. R. Hedrick; Paul Helbronner; Rollin D. Hemans; St. Hempel; Abel Heywood and Son; "Herschel Portrait" [A. O. Leuschner; Louis J. Carmel]; Elsie Isabel Hill; F. W. Hinrichs, Jr.; Shiu Hirayama; E. Hirsch}
{Corresp: W. A. Morschhauser; Business Equipment Sales Co., Inc.; J. P. Warren [Felt & Tarrant Mfg. Co., later the Annotator Manufacturing Co.]; E. L. Hoffman}
{Elizabeth Connor; Belle Blend; Frederick E. Brasch; Irene de Camp; Eva W. Graves; Frances H. Kahl; Rebecca S. MacNair; Victor E. Marriott; Glyde Maynard; Fanny L. Parker; Elizabeth A. Riesner; I. Serrurier; Helen D. Weingarth}
{Karl Bohlin; N. Boneff; M. Thérèse Bonney; Andrew R. Boone; Henry Borsook; H. Bourget [incl ltr GEH ? HB]; Frederick Edward Brasch; Charles Breasted; Virginia Brenton [ltr Helen B. Pryor ? Monroe E. Deutsch; ltr FHS ? MED]; Alfred Brill; British Astronomical Association [W. Alfred Parr]; William Robert Brooks; W. Sterry Brown; Emile Bruguierel; Mrs. Roberdeau Buchanan; George J. Burns}
