Oberkommando des Heeres
OKH T-78 Roll 617
The following internet site will provide information on units, roll numbers, and frames to help you find the information you are interested in.
OKH T-78 Tagesmeldungen
T78 Chef H Rüst u.BdE 1943
T77 Roll 1142 OKW WFSt
OKH T-78 Roll 398
OKH T-78 Roll 399