http://www.near-death.com/

I have been searching for "Shree Vasudeva-Upanishad", but I have found this site - http://www.near-death.com/

HAHAHAHAHA. Yes, sometimes Krishna can play a trick like this on you. 

This site has very good classifications, but I don't have time to look through all the rubriques right now. 

I liked the following Rubrique, because all the typical experiences are classified:

NDE Research Conclusions

Pre-Existence Time Emotions Earth Hell Telepathy Life Void Knowledge Humanity Tunnel Temple Soul / Spirit NEW Orbs Music Religion Heaven Homecoming Spirituality City of Light Told Not Ready Science  UPDATED Realms Future War God Astrology Death Jesus Guides Out-of-Body Satan Reincarnation Silver Cord Life Review Questions