. . "Walter" . "Walter N Koelz" . . "Walter Koelz"@en . "Walter"@en . "Walter N. Koelz" . "Walter Norman" . "N." . . "Walter Norman Koelz"@pl-PL . "Koelz"@en . "Koelz, Walter N. (Walter Norman)" . "1895-09-11" . . "Norman" . . "Walter N. Koelz"@en . "N" . . "Koelz" . "Koelz" . . . . . . "Koelz"@fr-FR . . . . "Walter Norman Koelz" . "Koelz Walter" . . "Walter N." . "1989-09-24" . "American zoologist and museum collector" .