Scope and Contents: The Personal series (1876-1902) contains biographical information and photographs of Josua Lindahl.
The Correspondence series (1877-1897) contains 65 letters (negative photostat copies) written to Dr. Edward Oscar Ulrich, a stratigrapher and paleontologist. Also included are letters written by Lindahl to C.W. Foss, an Augustana professor, about the difficulties of Lindahl's reappointment as Illinois State Museum curator.
The Specimens series (1876, 1878 and undated) contains lists of exhibit materials sent from Sweden to the 1876 Philadelphia Centennial Exposition. Joshua Lindahl was sent to Philadelphia by the Swedish government as an assistant to the Commissioner General of the Centennial Exposition. Also includes an 1878 list of specimens gifted to Augustana from Stockholm, and bound museum specimen accession lists.
The Pamphlets series (1844-1958 scattered and undated) is divided into three sub-series: English pamphlets, Swedish pamphlets, and pamphlets in other languages which include German, French and other Scandinavian languages. This series is very large and consists of scientific pamphlets once owned by Lindahl that bear his signature and number in his personal library. Also included are pamphlets and literature from 1876 and 1893 exhibitions.