1. Untitled (Correspondence from Michael Haerdter to Tom Marioni/MOCA). January 14, 1982. Bookmark Untitled (Correspondence from Michael Haerdter to Tom Marioni/MOCA). January 14, 1982., accession number 1995.46.14.16. Search result 1 Artist: Haerdter, Michael Classification: Work on paper Materials: Letter. Black ball point pen on photocopy. Dimensions: 11 3/4 x 8 1/4 in. Accession Number: 1995.46.14.16