Ulkan, West Prussia
- Clues 1988, Part 2, P. 52
Unterdorf, Volga (See Also Weslowo) Map #6 B-7
- Clues 1982, Part 1, P. 84, 87
- Clues 1982, Part 2, P. 23
- Clues 1991, P. 100
- Heritage Review, V. 19 #4, P. 9
- Work Paper, #17, P. 61
- Work Paper, #23, P. 80
Unterwalden, Volga Map #6 F-1
- Clues 1981, Part 1, P. 87
Untöscarul
- Heritage Review, V. 22 #3, P. 31
Urbach, Volga (See Also Orbach) Map #6 E-2
- Clues 1983, Part 1, P. 98, 100
- Clues 1983, Part 2, P. 41, 42, 43
- Clues 1984, Part 1, P. 97
- Clues 1988, Part 1, P. 78
- Clues 1989, P. 100
- Clues 1992, P. 110
- Clues 1994, P. 105, 108
Usensk
- Clues 1983, Part 1, P. 96
Ust Solicha
- Clues 1984, Part 1, P. 74, 75
Uvarovka
- Clues 1995, P. 76, 79, 80
Uvor
- Clues 1989, P. 99