Thanks for the links!
I'm glad you liked those posts. If you want more such posts, here you go. I'm always interested in feedback on these ideas.
class #10: Postmodernism http://www.freerepublic.com/focus/chat/1473061/posts?page=17
class #9: Pop and Minimal Art http://www.freerepublic.com/focus/chat/1470726/posts?page=2
class 8: Pollock and Abstract Expressionism: http://www.freerepublic.com/focus/f-chat/1468241/posts
class 7: American Modernism: http://www.freerepublic.com/focus/f-chat/1440373/posts
class 6: Surrealism: http://www.freerepublic.com/focus/f-chat/1427099/posts
class 5: Cubism: http://www.freerepublic.com/focus/f-chat/1427099/posts
class 4: Expressionism: http://www.freerepublic.com/focus/f-chat/1424087/posts
class 3: Cezanne and van Gogh; http://www.freerepublic.com/focus/f-chat/1419876/posts
class 2: Impressionism and Post-Impressionism; http://www.freerepublic.com/focus/f-chat/1414727/posts
class 1: Realism: Manet and Homer; http://www.freerepublic.com/focus/f-news/1410117/posts
A new series of art history "lectures" designed chronologically from Egyptian art onward:
Art Appreciation/Education series II class #1: Greco-Roman Realism and Early Christian Abstraction: http://www.freerepublic.com/focus/f-chat/1491050/posts
I have also begun a series on Visits to NYC and the art seen there:
Art Appreciation/Education: Visit to NYC I: Robert Smithson and James Turrell: http://www.freerepublic.com/focus/f-chat/1507874/posts
One other essay I wrote on Christo and his orange gates in NYC: http://www.freerepublic.com/focus/f-news/1348194/posts