Davids, Karel (November 1993). Jaap R. Bruijn and Femme S. Gaastra, Ships, Sailors and Spices: East India Companies and their Shipping in the 16th, 17th and 18th Century. Amsterdam (NEHA) 1993. XI + 208 pp.
Parmentier, Jan (December 1993). The Private East India Ventures from Ostend: The Maritime and Commercial Aspects, 1715–1722. International Journal of Maritime History. 5 (2): 75—102. doi:10.1177/084387149300500206. ISSN0843-8714.
Liesegang, Gerhard (1970). Nguni Migrations between Delagoa Bay and the Zambezi, 1821-1839. African Historical Studies. 3 (2): 317—337. doi:10.2307/216219. ISSN0001-9992. JSTOR216219.
MITTEILUNG V. Berliner Konferenz "Die Persönlichkeit in der Wissenschaft". Deutsche Zeitschrift für Philosophie. 33 (7). 1 січня 1985. doi:10.1524/dzph.1985.33.7.672. ISSN2192-1482.
Liesegang, Gerhard (1970). Nguni Migrations between Delagoa Bay and the Zambezi, 1821-1839. African Historical Studies. 3 (2): 317—337. doi:10.2307/216219. ISSN0001-9992. JSTOR216219.
Davids, Karel (November 1993). Jaap R. Bruijn and Femme S. Gaastra, Ships, Sailors and Spices: East India Companies and their Shipping in the 16th, 17th and 18th Century. Amsterdam (NEHA) 1993. XI + 208 pp.
Parmentier, Jan (December 1993). The Private East India Ventures from Ostend: The Maritime and Commercial Aspects, 1715–1722. International Journal of Maritime History. 5 (2): 75—102. doi:10.1177/084387149300500206. ISSN0843-8714.
Liesegang, Gerhard (1970). Nguni Migrations between Delagoa Bay and the Zambezi, 1821-1839. African Historical Studies. 3 (2): 317—337. doi:10.2307/216219. ISSN0001-9992. JSTOR216219.
D., Newitt, M. D. (1995). A history of Mozambique. Bloomington: Indiana University Press. ISBN978-0253340061. OCLC27812463.
Johan., Schimanski (2014). Passagiere des Eises Polarhelden und arktische Diskurse 1874 (вид. 1. Aufl). Wien: Böhlau Wien. ISBN9783205796060. OCLC879877160.
Johan., Schimanski (2014). Passagiere des Eises Polarhelden und arktische Diskurse 1874 (вид. 1. Aufl). Wien: Böhlau Wien. ISBN9783205796060. OCLC879877160.
MITTEILUNG V. Berliner Konferenz "Die Persönlichkeit in der Wissenschaft". Deutsche Zeitschrift für Philosophie. 33 (7). 1 січня 1985. doi:10.1524/dzph.1985.33.7.672. ISSN2192-1482.