DeKolb Country, 1957

Usage Conditions Apply
The Smithsonian Institution Archives welcomes personal and educational use of its collections unless otherwise noted. For commercial uses, please contact

Narrow Your Results


Filter Your Results

Smithsonian Secretaries Information

Close Browse records and papers of the Smithsonian Secretaries, from 1846 until today. Pre-set filters help narrow searches by individuals who have held that office.

Expeditions Information

Close Browse records and papers documenting scientific and collecting expeditions either affiliated with the Smithsonian, or with which Smithsonian researchers participated. Pre-set filters help narrow searches by geographic regions predominantly represented in expedition records.

Professional Societies Information

Close Browse records of professional societies closely associated with the Smithsonian, that focus on areas of scientific research and museum studies. Pre-set filters help narrow searches by major topics and disciplines.


The field notes document work of Perry Holt relating to invertebrates in Iowa, Illinois, and Wisconsin during 1956 - 1957. The notebook is four pages long and contains a list of specimen information organized by identifier (e.g. C-3). Information includes locality (roads and landmarks in the vicinity), habitat, and collectors (the Holts and Popes). Some entries are dated (May 12 - 13, 1956). Locations include Davis, DeKolb, and Oyle county (Illinois); Jackson, Iowa; and Grant county, Wisconsin.

Date Range


Start Date


End Date


Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at


  • Branchiobdellidae
  • Freshwater invertebrates


  • Iowa
  • United States
  • Illinois
  • Wisconsin


  • Fieldbook record
  • Field notes

Accession #

SIA Acc. 17-004

Collection name

National Museum of Natural History, Department of Invertebrate Zoology, Curatorial Records, 1947-1984

Physical Description

1 field book

Physical Location

Smithsonian Institution Archives