Etymologisches Wörterbuch der griechischen Sprache, 1892 title page ((Dr. Walther Prellwitz)
Deutsche NB in VIAF 30 November 2017 (Prellwitz, Walther, born in Tilsit, 1864-02-04; educator; xrefs include Prellwitz, W.; Prellwitz, Gualtherius) https://viaf.org/viaf/77063150
Ancestry.com search 30 November 2017 (August Hermann Walter Prellwitz, born 4 Feb 1864, baptized Tilsit, OstPreussen)