He had a prolific output of drawings, etchings, woodcuts, lithographs and wood engravings. Media represented in the collection include photographs, drawings, watercolours, oils, lithographs, engravings, etchings and sculpture/busts. The Dutch graphic designer M. C. Escher created mathematically inspired woodcuts, lithographs, and mezzotints. Whistler produced numerous etchings, lithographs, and dry-points. Johns also produces intaglio prints, sculptures and lithographs with similar motifs. Neiman worked in oil, enamel, watercolor, pencil drawings, pastels, serigraphy and some lithographs and etching. Reviewers especially praised the colour lithographs made from Gosse's watercolours. Serov frequently called upon various graphic techniques - watercolors, pastels, lithographs and so forth. And another was dedicated to Odilon Redon with 64 works, including paintings, drawings and lithographs. Warhol began taking snapshots to use as sketches of his popular lithographs. Also enclosed are two signed and numbered lithographs by Irene Dogmatic. His works were illustrated with lithographs by Walter Hood Fitch. In appreciation, she presented hospital staff with framed and signed lithographs of the White House. His likeness was used for three action figures, a life-size poster and several lithographs. Accurate topographic maps produced as lithographs and provided free to Prussian officers helped popularize wargaming.