What does nn stand for?

nn stands for "nomen nescio (not named; name unknown"

How to abbreviate "nomen nescio (not named; name unknown"?

"nomen nescio (not named; name unknown" can be abbreviated as nn

What is the meaning of nn abbreviation?

The meaning of nn abbreviation is "nomen nescio (not named; name unknown"

What does nn mean?

nn as abbreviation means "nomen nescio (not named; name unknown"