http://sharpgary.org/landscheidt.html - Gary Duane Sharp's site

http://www.john-daly.com/ - John Daly's site

http://encyclopedia.astrologer.ru/cgi-bin/index?L/Landscheidt.html - Энциклопедия астрологии - Astrologic Encyclopedy

http://astrologic.ru/download.htm - Астрологические программы - Astrologic software (Rus)

http://www.foundationforthestudyofcycles.org/research.htm - Foundation Research

http://www.john-daly.com/solar/solar.htm - Landscheidt, T. (1999 a): Solar activity controls El Niño and La Niña.

http://www.john-daly.com/sun-enso/sun-enso.htm - Landscheidt, T. (1999 b): Extrema in sunspot cycle linked to Sun's motion. Solar Physics 189:413-424.

http://www.john-daly.com/solar/temps.htm - Landscheidt, T. (2000 d): New confirmation of strong solar forcing of climate.

http://www.john-daly.com/po.htm

http://www.john-daly.com/theodor/solarnao.htm -

http://www.john-daly.com/theodor/pdotrend.htm - Landscheidt, T. (2001 b): Trends in Pacific Decadal Oscillation subjected to solar forcing.

http://www.john-daly.com/sun-enso/revisit.htm - - Landscheidt, T. (2002): El Niño Forecast Revisited.