41
by Simmel, Georg
Published 1950
Free Press

42
by Du Bois, W. E. B.
Published 1903
A. C. McClurg & co.

43
by Addams, Jane
Published 1909
Macmillan

44
by Lenin, Vladimir Ilʹich
Published 1919
G. Allen & Unwin, ltd.

45
by Parsons, Talcott
Published 1968
Free Press

46
by Mill, John Stuart
Published 1869
J.B. Lippincott & co.

47
by Baudrillard, Jean
Published 1996
Verso

48
by Weber, Max
Published 1947
Free Press

49
by Veblen, Thorstein
Published 1912
Macmillan; [etc., etc.]

50
by Merton, Robert King
Published 2004
Princeton University Press

51
by Spencer, Herbert
Published 1966
Zeller

52
by Wollstonecraft, Mary
Published 1787
J. Johnson

53
by Gilman, Charlotte Perkins
Published 2008
Alexander Street Press

54
by Penty, Arthur J.
Published 1923
G. Allen & Unwin ltd.

55
by Addams, Jane
Published 1938
Macmillian

56
by Proudhon, P.-J.
Published 1902
W. Reeves

57
by Sumner, William Graham
Published 1883
Harper & brothers

58
by Mead, George Herbert
Published 2006
Alexander Street Press

59
by Gilman, Charlotte Perkins
Published 2008
Alexander Street Press

60
by Gilman, Charlotte Perkins
Published 1899
G.P. Putnam's Sons Boston: Small, Maynard & Company