In the introductory part the authors summarize the main bibliographical features of the internist and laryngologist dr. Georg Catti (fujeka 1849 - Begunje 1923). From 1866 until 1879 he stayed in Vienna where he finished his studies of medicine and started a successful professional career. The stay at the clinic of prof. dr. Schrcitter was the decisive factor for his further specialization, so that he became a successful internist as well a laryngologist. Catti spent the longest period of his career till the retirement in l919 as a doctor in a civic hospital in his home town. Having established many professional contacts with very many colleagues throughout Europe he was taking part in many international conferences and also publishing in the most popular medical journals. The second part ofthis paper presents the summaries from the important bibliographic work of dr. Catti that consists of two stages. The first one is the Viennese period (1875-1879) during which he as an assistant published 7 papers dealing with casuistry of laryngologic clinic of prof. dr. Schrotter. Catti is here presented not only as an outstanding expert in indirect laringoscopy but also as a meticulous sugeon in nasopharynx. In that fleld he also invented "Nascn-Rachenraum Zangen" fnose-pharynx forccps). The sccond group of papers (1880-1921] consists of l0 papers based on the orvn laryngologic expericnce gained rvith patients in llijeka. These papcrs lverc publlshed in journals, proceedings and handbooks of Heymann. Hc also published a paper from the arca of intcrn medicine.