Andrew Wyeth , Letter to Martha Burchfield Richter, Pg. 1, May 18, 1967; ink on paper, 10 1/2 x 7 1/4 inches; The Charles E. Burchfield Archives, Purchased with funds from the Vogt Family Foundation in honor of Dr. Edna M. Lindemann, 2004
Andrew Wyeth , Letter to Martha Burchfield Richter, Pg. 2, May 18, 1967; ink on paper, 10 1/2 x 7 1/4 inches; The Charles E. Burchfield Archives, Purchased with funds from the Vogt Family Foundation in honor of Dr. Edna M. Lindemann, 2004
Andrew Wyeth , Envelope Addressed to Martha Burchfield Richter, May 20. 1968; ink and stamps on commercially made envelope, 3 7/8 x 7 1/2 inches; Charles E. Burchfield Archives, Purchased with funds from the Vogt Family Foundation in honor of Dr. Edna M. Lindemann, 2004
Andrew Wyeth , Letter to Martha Burchfield Richter, Pg. 1, April 8, 1968; ink on paper, 10 1/2 x 7 1/4 inches; Charles E. Burchfield Archives, Purchased with funds from the Vogt Family Foundation in honor of Dr. Edna M. Lindemann, 2004
Andrew Wyeth, Letter to Martha Burchfield Richter, Pg. 2, April 8, 1968; ink on paper, 10 1/2 x 7 1/4 inches; Charles E. Burchfield Archives, Purchased with funds from the Vogt Family Foundation in honor of Dr. Edna M. Lindemann, 2004
Andrew Wyeth , Letter to Martha Burchfield Richter, Pg. 3, April 8, 1968; ink on paper, 10 1/2 x 7 1/4 inches; Charles E. Burchfield Archives, Purchased with funds from the Vogt Family Foundation in honor of Dr. Edna M. Lindemann, 2004
Andrew Wyeth , Letter to Martha Burchfield Richter, Pg. 4, April 8, 1968; ink on paper, 10 1/2 x 7 1/4 inches; Charles E. Burchfield Archives, Purchased with funds from the Vogt Family Foundation in honor of Dr. Edna M. Lindemann, 2004
Buffalo Courier-Express, Photograph of Peggy Richter, Martha Burchfield Richter, and Mrs. Charles Burchfield, c.1968; newsprint; Image courtesy of Burchfield Penney Art Center Archives
Martha Burchfield Richter (1924-1977), Untitled, c. 1959-1960; Image from the Burchfield Penney Archives