"Paul Ehrlich"@eng . . . "Paul Ehrlich"@eng . . . . . "\"Paul Ehrlich (14 March 1854 – 20 August 1915) was a German Jewish physician and scientist who worked in the fields of hematology, immunology, and chemotherapy. He invented the precursor technique to Gram staining bacteria. The methods he developed for staining tissue made it possible to distinguish between different type of blood cells, which led to the capability to diagnose numerous blood diseases\" -- Wikipedia\n\nNewspaper clippings, newspaper excerpts, biographical articles about Paul Ehrlich, typescripts, correspondence, announcement of publication of the collected papers of Paul Ehrlich, bibliographical references, postcard and photographs of Martha Marquardt (secretary to Paul Ehrlich).\n\nPaul Ehrlich : some reminiscences / Martha Marquardt Eine Würdigung Paul Ehrlichs / von Richard Spitzer"@eng . "[38] p.\n\nEnvelope 6/9 ; microfilm reel 060 ; Frames 559 - 620"@eng .