Azad, Dr A Farhang- he worked at the Institute of Parasitology & Malariology and at the School of Public Health Research at the Teheran University; in 1979 he has worked at the Department of Microbiology at the University of Maryland; the correspondence includes: letters & notes 8 copies of three sketches of Coptopsylla, Phaenopsylla and Paradoxopsyllus a sketch of Coptopsylla 1964-1979