Charles Callison to Bartram Cadbury Letter, November 3, 1967

Callison expresses his surprise to the news that Cadbury will be resigning his post as the director of the Audubon Camp of Maine. He is also sorry to hear that Farida Wiley will not be returning to her position at the camp.

Charles Callison to Bartram Cadbury Letter, August 26, 1968

Callison assures Carbury that he and his wife, Ginny, will always be considered part of the "National Audubon staff family."

Bartram Cadbury to Charles Callison Letter, October 1, 1968

Cadbury, replying to an earlier letter from Callison, thanks Callison for his sentiments regarding Cadbury's resignation as the director of the Audubon Camp of Maine. He adds that both he and his wife, Ginny, are always available to be called upon, and that the National Audubon Society may always rely on the Cadbury's continued dedication to the organization's mission.

Helen Cruickshank to Rupert Cutler Letter Photocopy, November 3, 1980

Cruickshank expresses her disappoint with the growing bureaucracy of the National Audubon Society.

Rupert Cutler to Helen Cruickshank Letter Photocopy, November 10, 1980

Cutler discusses the resignation of Duryea Morton, National Audubon Society administration, and the organization's educational programming.

Robbie Rubly-Burggraff to Bart Cadbury and the Interim Executive Committee of FOHI Letter, October 5, 1995