What has the author Morris Abel Beer written?

It seems you are asking about Morris Abraham Beer (1889-1946), a prominent American historian. While he did not write fiction or any other type of creative writing, he was a prolific scholar and author. Here are some of his most notable works:

* A History of British Socialism: From the Foundation of the Socialist League in 1884 to the Outbreak of the War in 1914 (1920): This comprehensive work explored the development of socialist ideas and movements in Britain.

* The Social Struggles of the Nineteenth Century (1926): Beer analyzed the social and economic transformations of the 19th century, highlighting the struggles of workers and the rise of socialism.

* A History of European Socialism from 1871 to 1935 (1938): This multi-volume work provided a detailed account of the evolution of socialist thought and movements across Europe.

* The Life and Writings of Jacob A. Riis (1941): This biography explored the life and work of Jacob Riis, a social reformer and journalist who documented the plight of the urban poor.

Morris Abraham Beer was a highly respected scholar and author whose works continue to be valuable resources for understanding the history of socialism and social movements.