Peder Nielsen
Peder Nielsen (1893-1975) was a Danish entomologist who specialised in Diptera especially .
Peder Nielsen was a librarian and museologist in Silkeborg.
partial list
Full list at Craneflies of the World
...
Wikipedia
Peder Nielsen (1893-1975) was a Danish entomologist who specialised in Diptera especially .
Peder Nielsen was a librarian and museologist in Silkeborg.
partial list
Full list at Craneflies of the World