books.google.co.uk - This book covers the development of reciprocity laws, starting from conjectures of Euler and discussing the contributions of Legendre, Gauss, Dirichlet, Jacobi, and Eisenstein. Readers knowledgeable in basic algebraic number theory and Galois theory will find detailed discussions of the reciprocity laws...http://books.google.co.uk/books/about/Reciprocity_Laws.html?id=EwjpPeK6GpEC&utm_source=gb-gplus-shareReciprocity Laws
