Udintsev, Glebb
1
n
,
2
UFOlogy
1
ultraviolet vision
1
,
2
US Fish Commission
1
US Geological Survey (USGS)
1
,
2
,
3
,
4
US National Marine Fisheries Service
1
n
Ussher, James, Archbishop
1
Utah
, USS
1
utopias
1
,
2