. . "Ivan Van" . "VanSertima" . "Van_Sertima" . "Ivan"@en . "Ivan Van Sertima"@en-US . . "Ivan van" . "Van Sertima"@en . "Sertima" . . "Ivan Van_Sertima" . "Ivan VanSertima" . . "Van"@en . "Ivan ˜vanœ" . "van" . "Ivan van Sertima" . "Ivan Gladstone" . . "http://www.wikidata.org/entity/Q6581097" . . "Ivan ˜vanœ Sertima" . "Ivan van Sertima"@en . "Ivan Van Sertima" . . "Ivan Gladstone Van Sertima" . . "1935-01-26" . . "2009-05-25" . . . . "Ivan Van Van Sertima"@en . . . .