Search for: [Subject and Keywords = Insects \- \(Diptera, Nematocera\) \- Poland \- area of Pomerania] OR [Subject and Keywords = Muchówki długoczułkie \(Diptera, Nematocera\) \- Polska \- Pomorze] OR [Title = Beiträge zur Kenntnis der Mückenfauna Pommerns \: Diptera Nematocera \[Teil 3\]] OR [Creator = Karl, Otto \(1868–1945\)]