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The series was produced by the University of Maryland , College Park and the Educational Film Center and was funded by the Annenberg / CPB Project ( now the Annenberg Foundation ) , it was filmed in 1988 and first aired on PBS in 1990 .
 University of Maryland , College Park, Annenberg / CPB, Annenberg Foundation, PBS
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of Maryland , College Park, Annenberg / CPB, Annenberg Foundation, PBS