61
by Greub, Werner
Published 1975
Springer New York

62
by Serre, Jean-Pierre
Published 1977
Springer New York

63
by Serre, Jean-Pierre
Published 1973
Springer New York

64
by Apostol, Tom M.
Published 1976
Springer New York

65
by Ribenboim, Paulo
Published 1988
Springer New York

66
by Conway, J. H., Sloane, N. J. A.
Published 1993
Springer New York

67
by Robert, Alain M.
Published 2000
Springer New York

68
by Nagy, Attila
Published 2001
Springer US

69
by Grillet, P. A.
Published 2001
Springer US

70
by Murty, M. Ram
Published 2001
Springer New York

71
by Ortega, Juan-Pablo, Ratiu, Tudor S.
Published 2004
Birkhäuser Boston

72
by Carroll, Robert W.
Published 2002
Springer US

73
by Mac Lane, Saunders
Published 1978
Springer New York

74
by Stillwell, John
Published 1994
Springer New York

75
by Lam, T. Y.
Published 1995
Springer New York

76
by Armstrong, M. A.
Published 1988
Springer New York

77
by Hecke, Erich
Published 1981
Springer New York

78
by Bump, Daniel
Published 2004
Springer New York

79
by Burger, Edward B., Tubbs, Robert
Published 2004
Springer New York

80
by Chudnovsky, David V.
Published 1991
Springer New York