These are the tools and souces I manily use in my research.

Scientific sources

• Willy Kinbergs book
• Search the Smithsonian National Museum of Ntural History
• “Neanderthal man” by Svante Päbo”
• Math html entity codes

Searching in Holy Books

Search in…

• www.sacred-texts.com
• the Internet archive
• the Bhagavad gita
• the English Bible
• The Jehovah’s Witness English Bible
•  the italian Bible
• the Latin Bible
• the English Bible
• Interlinear Bible (Greek Hebrew – English)
  the Catholic Bible
• la biblia en espanol
• the Swedish Bible
• the Gathas – The Hymns of Zarathushtra 
• in the Quran

Other frequently used sources

• Roman Liturgic calendar in English http://www.romcal.net
• In Italian with Bible reading info /www.laparola.it