A. Aigner/H. Reichardt: Stufenreihen im Potenzrestcharakter.
J. Reine u. angew. Math. 184 (1942), 158-160.

1755 P. Alexandrov (ed.): Die Hilbertschen Probleme. Leipzig 1983.

P. Barrucand/H. Cohn: Note on primes of the type x^2+32y^2.
J. Reine u. angew. Math. 238 (1969), 67-70.

20418 Wouter Castryck: A shortened classical proof of the quadratic
reciprocity law. Am. Math. Monthly June 2008, 550-551.

2055 Kenneth Hardy/Kenneth Williams: Evaluation of the infinite series ...
Proc. AMS 109 (1990), 597-603. [3323]

A. Hausner: On the law of quadratic reciprocity.
Archiv der Mathematik 12 (1961), 182-183. Should contain a proof of the
quadratic reciprocity law by means of finite fields.

4479 Werner Heise/Pasquale Quattrocchi: Informations- und Codierungstheorie.
Springer 1989. Contains on pp. 320-324 a very short proof of the quadratic
reciprocity law.

Charles Helou: Reciprocity for Jacobi sums. 
J. Number th. 44 (1993), 214-221.          

19725 Özlem Imamoglu: Review of the book "Reciprocity laws, from Euler
to Eisenstein" by F. Lemmermeyer. Bull. AMS 44/4 (2007), 647-652.

6073 Reinhard Laubenbacher/David Pengelley: Gauss, Eisenstein, and the
"third" proof of the quadratic reciprocity theorem. Ein kleines Schauspiel.
Math. Intell. 16/2 (1994), 67-72.

Franz Lemmermeyer: Reciprocity laws, from Euler to Eisenstein.
Springer 2000, 520p. Eur 97.

1966 O. Popov: Quadratic residues and non-residues in a square-free number
sequence. Vestnik Mosk. Univ. Mat. 44/5 (1989), 81-83. [3323]

3346 David Rowe: Gauss, Dirichlet, and the laws of biquadratic reciprocity.
Math. Intell. 10/2 (1988), 13-25.

1424 R. Swan: Another proof of the quadratic reciprocity theorem? 
Am. Math. Monthly   (1990), 138-139. [3323]

2661 Floyd Williams: History and variation on the theme of the Frobenius
reciprocity theorem. Math. Intell. 13/3 (1991), 68-71.

K. Williams: Notes on a result of Barrucand and Cohn.
J. Reine u. angew. Math. 285 (1976), 218-220.