His library was acquired by the Columbia University in 1931.

His library of 18,000 volumes was afterwards acquired for the university of Strassburg.

His library was acquired by the University library in 1925.

His library and papers were acquired by Arizona State University.

In 1979, the library was acquired by the Indiana State University and would be converted into an art building five years later.

His voluminous library was acquired by the University of Prague.

In a few years, a library of thirty captioned theatrical films was acquired.

De Camp's personal library of about 1,200 books was acquired for auction by Half Price Books in 2005.

Lockspeiser's personal library, which was extensive, was acquired after his death by Lancaster University.

In 1929, the library was acquired by the city government of Barcelona.