Project Euclid - mathematics and statistics resources online

Projecteuclid.org has 3 URLs listed in 3 Dmoz categories.

Project Euclid
Full text access to the journal Annals of Mathematics; a limited number of other journals available through paid subscriptions to Project Euclid.
http://projecteuclid.org/
Top/Science/Math/Publications/Search_Engines

The Structure of Space-Time Transformations
This theorem by H. J. Borchers and G. C. Hegerfeldt proves that the constancy of light velocity alone implies the Lorentz group (up to dilatations).
http://projecteuclid.org/Dienst/UI/1.0/Summarize/euclid.cmp/1103858408
Top/Science/Physics/Relativity/Special_Relativity

Leibniz's Syllogistico-Propositional Calculus
Article by Castaneda from the Notre Dame Journal of Formal Logic, Volume 17, Number 4 (1976).
http://projecteuclid.org/DPubS?service=UI&version=1.0&verb=Display&handle=euclid.ndjfl/1093887721
Top/Society/Philosophy/Philosophers/C/Castaneda,_Hector-Neri