This collection contains letters and accounts of Dr. Daniel Fahrney with druggists and with firms, mostly Smith & Atkinson and E. H. Stabler Company of Baltimore. Also includes the accounts of Ann and Dr. Peter Fahrney.

This large collection deals almost exclusively with Sidney Hollander's long career as a social activist and reformer, a career which spanned 1938-1971 and which led Hollander to grapple with a wide variety of American social problems. The dates of the collection span 1926-1972.