Thompson, Ruth Plumly. Perhappsy Chaps. Volland, Chicago (1918). Magnificent color illustrations by Henderson
Thompson, Ruth Plumly. Kabumpo in Oz. Reilly and Lee Co, Chicago (1922). By Ruth Plumly Thompson Founded on and continuing the Famous Oz Stories by L. Frank Baum Royal Historian of Oz; Illustrated by John R. Neill with 12 color plates and many other drawings
Thompson, Ruth Plumly. Princess of Cozytown. Volland, Chicago (1922). Illus by Janet Laura Scott
Thompson, Ruth Plumly. Cowardly Lion of Oz. Reilly and Lee Co, Chicago (1923). FOUNDED ON AND CONTINUING THE FAMOUS OZ STORIES, BY L. FRANK BAUM; 12 full color plates ILLUSTRATED BY JOHN R. NEILL
Thompson, Ruth Plumly. Grampa in Oz. Reilly and Lee Co., Chicago (1924). [Founded on and continuing the Famous Oz Stories by L. Frank Baum.]; 12 full colour plates with many wood-cuts within the text by John R. Neill.
Thompson, Ruth Plumly. Lost King of oz. Copp, Clark Co., Toronto (1925).
Thompson, Ruth Plumly. Lost King Of Oz. Reilly and Lee Co, Chicago (1925). Founded on and continuing the Famous Oz Stories; with top of serif on k missing, page 193; Illustrated with colour plates and monochrome drawings by John R. Neill
Thompson, Ruth Plumly. Hungry Tiger of Oz. Reilly and Lee, Chicago (1926). Founded on and continuing the famous Oz stories by L Frank Baum; Illustrated with 12 color plates by John R. Neill
Thompson, Ruth Plumly. Gnome King of Oz. Copp Clark Co., Toronto (1927). Illustrated with 12 colour plates by John R. Neill, and many black and white drawings
Thompson, Ruth Plumly. Giant Horse of OZ. Reilly and Lee, Chicago (1928). (Founded on and continuing the Famous Oz Stories by L Frank Baum); Illustrate by John R. Neill with 12 color plates + other drawings; r in morning, page 116, line 1, undamaged; Frontispiece reads Oniberon for Quiberon.
Thompson, Ruth Plumly. Jack Pumpkinhead of Oz. Reilly and Lee, Chicago (1929). with twelve color plates by John R. Neill coated on both sides
Thompson, Ruth Plumly. Jack Pumpkinhead of Oz. Copp, Clark, Toronto (1929). with twelve color plates by John R. Neill coated on both sides
Thompson, Ruth Plumly. GIANT HORSE OF OZ. Copp, Clark, Toronto (1929). 12 colour plates Illustrated by John R. Neill
Thompson, Ruth Plumly. Yellow Knight of Oz. Reilly and Lee, Chicago (1930). This is founded on and continuing the Famous Oz Stories by L. Frank Baum; Illus by John R. Neill
Thompson, Ruth Plumley. Pirates of Oz. Copp, Clark, Toronto (1931). Ilustrated in COLOR and B/W John R. Neill, 12 Full-Color; Illustrations Including Frontispiece Printed on Stock Coated Paper Only on the Printed Side, Black and White Pictorial
Thompson, Ruth Plumley. Pirates of Oz. Reilly and Lee, Chicago (1931). 12 color plates by J.R. Neill
Thompson, Ruth Plumly. Purple Prince of Oz. Reilly and Lee, Chicago (1932). Founded on and continuing the famous Oz-stories by L. Frank Baum; Illustrated by John R. Neill.
Thompson, Ruth Plumly. Silver Princess in Oz. Reilly and Lee, Chicago (1932). Illustrated with full page drawings in black and white by John R. Neill.
Thompson, Ruth Plumly. Ojo in Oz. Reilly and Lee, Chicago (1933). 12 full page color illustrations by John Neill and many black and white drawings
Thompson, Ruth Plumly. Speedy in Oz. Reilly and Lee, Chicago (1934). Illustrated throughout in black and white by John R. Neill, with twelve full-page color plates; Founded on and continuing the Famous Oz Stoies by L. Frank Baum
Thompson, Ruth Plumly. Wishing Horse of Oz. Reilly and Lee Co., Chicago (1935). 12 full color plates illustration by John R. Neill; Founded on and continuing the Famous Oz Stoies by L. Frank Baum
Thompson, Ruth Plumly. Captain Salt in Oz. Reilly and Lee, Chicago (1936). Illustrations by John R. Neill; Founded on and continuing the Famous Oz Stories by L. Frank Baum Royal Historian of Oz.
Thompson, Ruth Plumly. Handy Mandy in Oz. Reilly and Lee Chicago, Chicago (1937). (L. Frank Baum); Illustrated throughout by John R. Neill
Thompson, Ruth Plumly. Silver Princess in OZ. Reilly and Lee Chicago, Chicago (1938). (L. Frank Baum); Illustrated throughout by John R. Neill
Thompson, Ruth Plumly. Ozoplanning with the Wizard of OZ. Reilly and Lee, Chicago (1939). Founded on and continuing the famous OZ stories by L. Frank Baum; Illustr by John R. Neill
Thompson, Ruth Plumly. Yankee in Oz. International Wizard of Oz Club, Kinderhook (1972). 100 copies printed.
Thompson, Ruth Plumly. Yankee in Oz. International Wizard of Oz Club (1986).