1
by Schmied-Kowarzik, Wolfdietrich
Published 2008
Kassel University Press

2
by Longinotto, Kim
Published 1994
British Broadcasting Corporation (BBC)

3
by Chkanikov, I.
Published 1925
Novaja Moskva

4
by Agienko, Aleksandr Fedorovich
Published 1927
Rabotnik prosveshchenija

5
by Bardovskij, Aleksandr Aleksandrovich
Published 1928
Gos. izd-vo

6
by Lesnaja, Lidija Vladimirovna
Published 1926
Obrazovanie

7
by Jurcev, Boris
Published 1926
Molodaja gvardija

8
by Will Stockton
Published 2014
punctum books

9
by Michael D. Snediker
Published 2013
punctum books

10
by Kirketerp, Anne
Published 2015
Nordic Council of Ministers

11
by Nilsson, Heidi
Published 2015
Nordic Council of Ministers

12
by Field, Marilyn J.
Published 1997
National Academy Press

13
Published 1993
National Academy Press

14
by Wenger, Nanette Kass
Published 1995
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

15
Published 2000
National Academies Press

19
by Marperger, Paul Jacob
Published 1720
In Verlegung des Autoris

20
by Rousseau, Jean-Jacques
Published 1751
s.n