1
2
3
4
5
6
7
9
10
Published 1986
“...East european monographs...”
Book
11
12
by Zigmunde, Alida
Published 2019
“...Ernst Nauck (1819-1875) : the first director of Riga Polytechnicum : scientific monograph = Ernst...”Published 2019
Book
13
14
15
16
17
18
19
20
Published 1992
“...East european monographs...”
Book