http://users.erols.com/brill/freudarc.html

http://www.ship.edu/~cgboeree/freud.html

http://www.utm.edu/research/iep/f/freud.htm

http://www.freudfile.org/

http://www.loc.gov/exhibits/freud/

http://www.lucidcafe.com/lucidcafe/library/96may/freud.html

http://www.pbs.org/wgbh/aso/databank/entries/bhfreu.html

MARIA MONTESSORI

http://www.montessori.org/Resources/Library/Educational/mariawho.htm

http://www.montessori.org/index.htm

http://www.montessori.edu/

http://members.aol.com/MParents/RenPargeneral.html

http://www.montessori.edu/maria.html

http://www.montessori.org/library/monthome.html

http://www.wdn.com/trust/ims/INDEX.HTML

http://www.geocities.com/EnchantedForest/7321/

http://multiageinfo.dnswh.com/thesis.htm

http://www.rockprairiemontessori.com/MontessoriEducation.html

http://www.montessoriconnections.com/aboutmontessorieducation/aboutmontessorieducation.html

ARNOLD GESELL

http://darkwing.uoregon.edu/~adoption/people/gesell.html

http://www.sierra-connections.org/psy332/arnold_gesell.htm

http://info.med.yale.edu/library/exhibits/yalemed2/1931-1941.html

JEAN PIAGET

http://www.piaget.org/

http://www.time.com/time/time100/scientist/profile/piaget.html

http://www.fmarion.edu/psych/bio/piaget.htm

http://www.crystalinks.com/piaget.html

http://www.indiana.edu/~intell/piaget.html

http://www.piaget.org/biography/biog.html

http://www.crystalinks.com/piaget.html

http://www.ic.polyu.edu.hk/posh97/Student/Learn/Learning_theories.html

LEV VYGOTSKY

http://tip.psychology.org/vygotsky.html

http://www.kolar.org/vygotsky/

http://chd.gse.gmu.edu/immersion/knowledgebase/theorists/constructivism/vygotsky.htm

http://carbon.cudenver.edu/~mryder/itc_data/soc_cult.html

http://www.psy.pdx.edu/PsiCafe/KeyTheorists/Vygotsky.htm

http://www.mathforum.org/mathed/vygotsky.html

http://webpages.charter.net/schmolze1/vygotsky/

ERIK ERIKSON

http://www.ship.edu/~cgboeree/erikson.html

http://www.erikson.edu/

http://www.geocities.com/Heartland/Ranch/2200/ERIK1-4.htm

http://www.psy.pdx.edu/PsiCafe/KeyTheorists/Erikson.htm#Overheads

http://elvers.stjoe.udayton.edu/history/history.asp?RURL=http://elvers.stjoe.udayton.edu/history/people/Erikson.html

http://azaz.essortment.com/psychosocialdev_rijk.htm

B.F. SKINNER

http://www.ship.edu/~cgboeree/skinner.html

http://www.bfskinner.org/

http://www.my-ecoach.com/idtimeline/theory/skinner.html

http://www.bfskinner.org/Operant.asp

http://www.sntp.net/behaviorism/skinner.htm

ABRAHAM MASLOW

http://www.ship.edu/~cgboeree/maslow.html

http://www.pbs.org/wgbh/aso/databank/entries/bhmasl.html

http://www.utoledo.edu/~ddavis/maslow.htm

http://web.utk.edu/~gwynne/maslow.HTM

http://en.wikipedia.org/wiki/Abraham_Maslow

ALBERT BANDURA

http://www.ship.edu/~cgboeree/bandura.html

http://www.emory.edu/EDUCATION/mfp/bandurabio.html

http://tip.psychology.org/bandura.html

http://fates.cns.muskingum.edu/~psych/psycweb/history/bandura.htm

http://www.psy.pdx.edu/PsiCafe/KeyTheorists/Bandura.htm

http://www.criminology.fsu.edu/crimtheory/bandura.htm

ROBERT COLES

http://www.scottlondon.com/articles/coles.html

http://www.pbs.org/newshour/forum/march97/coles_3-3.html

http://www.news.harvard.edu/gazette/1998/01.15/RobertColesWins.html

http://www.dbpeds.org/section/fall98/coles.html

http://www.lib.unc.edu/mss/inv/c/Coles,Robert.html