Observationes de commercio Russico in mari nigro - Schröder, Karl Heinrich (Literis Michaelis Gerhardi Grenzii, typographi academici, 1805)
Goldsmiths'-Kress no. 19069.7. - Includes bibliographical references. - OCLC, 16243886. - Reproduction of original from Kress Library of Business and Economics, Harvard University