Algebraic number theory a brief introduction by Chahal, J.S

Quadratic number theory an invitation to algebraic methods in the higher arithmetic by Lehman, J. L. (James Larry) 1957-

Available for University of the Philippines Diliman via EBSCO. Click here to access
Also available remotely for University of the Philippines Diliman via EBSCO. Click here to access thru EZproxy

A conversational introduction to algebraic number theory arithmetic beyond Z by Pollack, Paul

Algebraic number theory and Fermat's last theorem by Stewart, Ian 1945-, Tall, David Orme

Unit equations in Diophantine number theory by Evertse, Jan-Hendrick, Gyory, Kalman

Algebraic number theory by Jarvis, Frazer

A course in analytic number theory by Overholt, Marius

Forum of mathematics, sigma.

Available for UP System via Cambridge Core eJournals Collection

Quadratic irrationals an introduction to classical number theory by Halter-Koch, Franz 1944-

An introduction to hopf algebras by Underwood, Robert G. (Robert Gene)

Available for UP System via Springer Link.