One search box — archive databases: Arcinsys (Hesse, Lower Saxony+Bremen, Schleswig-Holstein+MV), Kalliope, Matricula, German Digital Library, DNB, ZDB, Internet Archive, Bildindex (Foto Marburg)
| „Dieburg“ searched alone | 42,852 hits | much noise (namesakes) |
| „Dieburg“ | 4 hits | — verified |