These works or works by this artist may not be in the public domain, because the artist has not been dead for at least 70 years. Please do not upload photographs or scans of works by this artist, unless they meet one of the following exceptions:
<nowiki>Hette H. Hettema; Hette Hettes Hettema; Hette H. Hettema; Hette H. Hettema; Hette Hettes Hettema; Hette Hettes Hettema; Hette H. Hettema; Hette Hettes Hettema; Dutch cartographer; عالم خرائط هولندي; cartógrafo neerlandés; Nederlands cartograaf (1868-1962); Hette Hettes Hettema Jr.; H. Hettema Jr.; Hette Hettes Hettema Jr.; H. Hettema Jr.</nowiki>