Perhaps you should try some spelling variations:
"risk gustav heinrich" » "risk auguste heinrich", "noske gustav heinrich"
"erik gustav resch" » "erik gustav roth", "erik gustaf resch", "werk gustav resch", "devin gustav resch"
"krieg gustav erich" » "ing gustav erich", "klimt gustav erich", "riehl gustav erich", "krieg gustavi erici", "krieg gustav friedrich", "krieg gustav brink"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("erik gustav resch") OR ((("krieg gustav erich") OR ("risk gustav heinrich")))).
• Removing quotes may allow a broader search: (( erik gustav resch ) or ((( krieg gustav erich ) or ( risk gustav heinrich )))).
• Adding a wildcard symbol may retrieve word variants: (("erik gustav resch") or ((("krieg gustav erich") or ("risk gustav heinrich"))))*.