B. Amberg/S. Franciosi/F. De Giovanni: Products of groups.
Oxford UP 1993, 220p. Pds. 45.

8500 Mohammad Azarian: On the lower near Frattini subgroups of amalgamated
free products of groups I. Internet, ca. 1993, 10p.

H. Bass/A. Lubotzky: Tree lattices. Birkha''user 2001, 230p. DM 108.

5980 Ludwig Baumgartner: Gruppentheorie. De Gruyter 1964.

17061 Benjamin Baumslag/Bruce Chandler: Schaum's outline of theory and problems
of group theory. McGraw-Hill 1968, 280p. $12.

Oleg Bogopolski: Introduction to group theory. EMS 2008, 190p. Eur 38.

21606 Thorsten Camps/Volkmar Große Rebel/Gerhard Rosenberger:
Einführung in die kombinatorische und in die geometrische Gruppentheorie.
Heldermann 2008, 300p. Eur 36.

23351 Carlo Casolo: Introduzione alla teoria dei gruppi. Internet 2012, 160p.

5888 H. Coxeter/W. Moser: Generators and relations for discrete groups.
Springer 1984, 170p. 3-540-09212-9. DM 98.

17062 John Dixon: Problems in group theory. Dover 1973, 180p. $9.

J. Dixon: Most finitely generated permutation groups are free.
Bull. London Math. Soc. 22 (1990), 222-226.

W. Dunwoody: The accessibility of finitely presented groups.
Inv. Math. ... (1985), 449-457.

P. Eklof: Whitehead's problem is undecidable.
Am. Math. Monthly 83 (1976), 775-788.

David Epstein: Almost all subgroups of a Lie group are free.
J. Algebra 19 (1971), 261-262.

25618 Harry Furstenberg: The inverse operation in groups. Proc. AMS 6/6 (1955), 991-997.

Steve Gersten/J. Stallings: Irreducible automorphisms of a free group.
Proc. AMS 111 (1991), 309-314.

8289 Steve Gersten/Hamish Short: Rational subgroups of biautomatic groups.
Annals Math. 134 (1991), 125-158.

8294 Robert Gilman: Formal languages and infinite groups.
Internet, ca. 1996, 25p.

5265 Andrew Glass: The ubiquity of free groups. 
Math. Intell. 14/3 (1992), 54-57.

Andrew Glass/W. Holland: Lattice-ordered groups. Kluwer 1989, 400p. Dfl. 185.

5717 Marshall Hall: The theory of groups. Macmillan 1965.

8295 Derek Holt: An alternative proof that the Fibonacci group F(2,9)
is infinite. Internet, ca. 1995, 4p.

8297 Derek Holt: The Warwick automatic groups software.
Internet, ca. 1995, 14p.

Derek Holt/David Epstein/S. Rees: The use of Knuth-Bendix methods to solve
word problems in automatic groups. J. Symb. Comp. 12 (1991), 397-414.

17014 John Humphreys: A course in group theory. Oxford UP 2004, 280p. $47.

17029 John Humphreys/M. Prest: Numbers, groups and codes.
Cambridge UP 2004, 340p. $43. Very elementary.

D. Johnson: Topics in the theory of group presentations.
Cambridge UP (LMS LN 42) 1980.

17015 Otto Kegel/Federico Menegazzo/Hans Zacher (ed.): Group theory.
Springer LN 1281 1987.

8292 O. Kharlampovich/A. Myasnikov: Hyperbolic groups and free constructions.
Internet, ca. 1995, 43p.

E. Khukhro: Nilpotent groups and their automorphisms.
De Gruyter 1993, 250p. 3-11-013672-4. DM 158.

Kenneth Kunen: Single axioms for groups.
J. Autom. Reasing 9/3 (1992), 291-308.

17035 A. Kurosh: The theory of groups. 2 volumes. Chelsea.

J. Lennox/D. Robinson: The theory of infinite soluble groups.
Oxford UP 2004, 340p. Pds. 75.

17038 E. Lyapin/A. Aizensthat/M. Lesokhin: Exercises in group theory. Plenum 1972, 240p.

17039 Antonio Machi': Introduzione alla teoria dei gruppi. Feltrinelli 1974.
Very beautiful with many exercises.

21683 Antonio Machi': Gruppi. Springer 2007, 350p. Eur 31.

23350 Mario Mainardis: Appunti di teoria dei gruppi. Internet ca. 2010, 270p.

Olaf Manz/Thomas Wolf: Representations of solvable groups.
Cambridge UP 1993, 320p. 0-521-39739-1. Pds. 25.

25732 James Milne: Group theory. Internet 2013, 140p.

J. Moody: Groups for undergraduates.
World Scientific 1994, 180p. 981-02-2105-3 (pb.). $21.

8290 Lee Mosher: Mapping class groups are automatic.
Annals Math. 142 (1995), 303-384.

G. Muller/P. Schupp: Groups, the theory of ends, and context-free
languages. J. Computer and System Sci. 26 (1983), 295-310.

M. Newman: Proving a group infinite. Arch. Math. 54 (1990), 209-211.

W. Neumann: Asynchronous combings of groups.
Int. J. Algebra and Comp. 2 (1992), 179-185.

A. Olshanskii: Geometry of defining relations in groups. 
Kluwer 1991, 500p. Hfl 340.
An excellent book, which starts from the beginning.

1695 Derek Robinson: A course in the theory of groups. Springer 1982.

16932 John Rose: A course on group theory. Dover 1994, 310p. $10.

21604 Stephan Rosebrock: Geometrische Gruppentheorie.
Vieweg 2010, 210p. Eur 26.

J. Rotman: An introduction to the theory of groups. 
Springer 1994, 450p. 3-540-94285-5. DM 108.

17109 Eugene Schenkman: Group theory. Van Nostrand 1965, 290p.

Roland Schmidt: Subgroup lattices of groups. De Gruyter 1994, 580p. $158.

2793 William Scott: Group theory. Dover 1987.

8302 Michael Shapiro: A note on context-sensitive languages and word
problems. Internet, ca. 1995, 3p.

7992 W. Specht: Gruppentheorie. Springer 1956.

16899 Stewart Stonehewer/Hans Zacher: Abelian quasinormal subgroups of groups.
Rend. Mat. Lincei 9/15 (2004), 69-79.

M. Suzuki: Group theory. 2 volumes. Springer 1986. Good books, but very 
expensive. The second volume deals mainly with finite groups.

Hans Zassenhaus: The theory of groups. Chelsea 1958.