Bedenckinghen over den staet vande Vereenichde Nederlanden nopende de zee-vaert, coop-handel, ende de gemeyne neeringe inde selve, ingevalle den peys met de aerts-hertogen inde aen-staende vrede-handelingde getroffen wert - Usselincx, Willem 1567-1647 ([s.n.], 1608)
Also published as: Grondich discours over desen aen-staenden vrede-handel, 1608. - Goldsmiths'-Kress no. 00371.7. - OCLC, 20888763. - Reproduction of original from Kress Library of Business and Economics, Harvard University