A newer collection created since your posting has over 100 Blum entries or references. These include a wide range of types of clippings dating from 1849 to 1930. There's no John, Johann or "Hans" listed 8-( but the indexing continues! (The index and the large collection of German newspapers is not online.)
"Milwaukee's German Newspapers; an index of death notices and related items" (1844-1950).
Gary Rebholz, compiler/editor
Indexing Milwaukee's German newspapers continuously since 2007... helping family researchers collect evidence of our historic German-American culture.