This firm operated in Lemberg, Galicia, Austro-Hungary (Polish: Lwów; now Lviv, Ukraine) from 1892. It published mainly piano pieces (dances and salon pieces) and solo songs. The main composers were Mazewski, Marek, Niewiadomski, Soltys, Wszelaczyński and Gall. It may have been connected to Max Jakubowski of Konigsberg (founded 1866).
Jakubowski & Zadurowicz's plate numbers were issued in a regular chronological fashion. Plate numbers are in the format of J & Z ###. Dates in italics are estimated.
|11||Sołtys||2 pieces for piano||1894|
|20||Gall||3 Pieśni, Op.20||1893|
|28||Niewiadomski||Romance et valse, Op.16||1895|
|47||Gall||Z jesieni, Op.26|
|54||Melcer-Szczawiński||3 Morceaux caractéristiques, Op.5|