When were Mary Ingalls' sister's books released?
Mary Ingalls Mary Amelia Ingalls (January 10, 1865 – October 20, 1928) was born near the town of Pepin, Wisconsin. She was the first child of Caroline and Charles Ingalls. She was the older sister of author Laura Ingalls Wilder, who is best known for her "Little House on the Prairie" book series.
Roberts Brothers (publishers) Messrs. Roberts Brothers (1857–1898) were bookbinders and publishers in 19th-century Boston, Massachusetts. Established in 1857 by Austin J. Roberts, John F. Roberts, and Lewis A. Roberts, the firm began publishing around the early 1860s. American authors included: Louisa May Alcott, Susan Coolidge, Maud Howe Elliott, Louise Imogen Guiney, Julia Ward Howe, Helen Hunt Jackson, Abigail May Alcott Nieriker. British and European authors included: Berthold Auerbach, Caroline Bauer, Mathilde Blind, Juliana Horatia Ewing, Anne Gilchrist, David Gray, Philip Gilbert Hamerton, Jean Ingelow, Vernon Lee, William Morris, Silvio Pellico, Adelaide Ristori, A. Mary F. Robinson, George Sand, Charlotte Mary Yonge, Helen Zimmern.