- Front for the ArXiv - Mathematical Physics - The UC Davis front end for the arXiv maintained at Los Alamos.
- Local Quantum Physics - Preprint archive with papers in PostScript format.
- Mathematical Physics Archive - An archive of papers published in the field of mathematical physics.
- Recent Books on Symmetries and Integrability - List of recent books (since 1999) with links to publishers' pages.
- Which Mathematical Structure is Isomorphic to our Universe? - Max Tegmark. Some physical consequences of ``the ultimate ensemble theory'', where not only worlds corresponding to say different sets of initial data or different physical constants are considered equally real, but also worlds ruled by altogether different equations. HTML, PS and PDF.