by David McMahon. Errata courtesy of Andre Glaize. Errata courtesy of Susan Larsen.
by Ray d'Inverno. Selected solutions to problems provided by Physics page.
by David Griffiths (Erratas can be found on this page.). The book is available through the Internet Archive. Selected solutions to problems provided by Physics page.
by Bernard Schutz. Selected solutions to problems and errata provided by the author.
by James B. Hartle. Author's more up-to-date Website with errata and other resources. The publisher's Website. UC Berkeley PHYS 139. UC Santa Cruz PHYS 171. Solutions (for 1st ed) by Jacob Bourjaily.