@periodical{UBHD-1111565, title={Frankfurter B{\"u}cherfreund}, subtitle={Mitteilungen aus dem Antiquariate Joseph Baer & Co.}, publisher={Baer}, address={Frankfurt, M.}, year={1900-1922}, language={ger}, issn={2569-8427}, library={UB [Signatur: F 8116]}, }