In the 1980s, his work was highlighted in “Six Painters: Gregory Armenoff, Jake Berthot, Howard Buchwald, Louise Fishman, Harry Kramer and Katherine Porter” at the Hudson River Museum with a catalog essay by the Director Peter Langlykke.

His work has also been included in numerous group exhibitions including the National Academy Museum (2013, 2007, 2004, 2001); Guild Hall in East Hampton, NY (2009); the Parrish Art Museum in Water Mill, NY (2014); The Hood Museum, Dartmouth College (1993); Concordia College, Bronxville, NY (1991); Barbara Kraków Gallery, Boston, MA (1987); Emily Lowe Gallery, Hofstra University, NY (1981); Detroit Institute of Arts (1976); and a major work is on permanent installation at the U.S. Federal Courthouse in Brooklyn, NY.

[citation needed] In Kramer’s work, the canvas is layered with thick surfaces of paint which are interspersed with animated drawing.

Vivian Rayner of the New York Times called it "muscular but not macho".

[6] Kramer’s extensive practice in drawing serves as a corollary to his paintings.