. . "Henrik Gockinga" . . "1718" . . . . "Henrik Gockinga"@en . "Henricus" . "Henricus Gockinga"@nl-NL . "Henrik"@en . . "H. Gockinga" . "1772" . "H." . "GOCKINGA" . "Henrik GOCKINGA" . "H. Gockinga" . "Gockinga"@en .