. . "Jan Carel Baak" . "1897" . "Baak, J.C. (Jan Carel)" . . . . . "Jan C." . "1945" . . "Carel"@en . "Jan"@en . "Baak"@en . "Jan C. Baak" . "J. C. Baak"@en-US . "Baak, J. C. (Jan Carel)" . "Jan Carel Baak"@en . . "J.C. Baak"@nl-NL . "Jan Carel" . . .