Surveyor

TIBKAT | 1.1892,Jan. - 2.1892,Dez.; 132.1968=Nr. 3970 -

Australian surveyor

TIBKAT | 1.1928 - 48.2003,1

Professional surveyor

TIBKAT | Nachgewiesen 10.1990 - 22.2002,8

Canadian surveyor

Canadian Institute of Surveying | TIBKAT

Professional surveyor magazine

UB Braunschweig | Nachgewiesen 16.1996 - 34.2014,6