Fortran 77 Notes
From University of Strathclyde Computer Centre.
Fortran 77 Tutorial
By Paul Hargrove.
Fortran Style
Rules for how NOT to program in Fortran 77, by Glen Reesor.
Fortran Web Module
Online course in Fortran programming by Arlene Guest.
Fortran Workshop
By A. Brown, based upon the Computational Physics Workshop written by S. Hanna.
Introduction to Fortran 77 Programming
From the Chemistry IT Centre at the University of Oxford.
Professional Programmer's Guide to Fortran 77
Book by Clive G. Page available in Postscript format.
Programming with Fortran
From the University of Utah.