New Collections Open for Research (Fall 2025)

Tuesday, October 28, 2025

Happy Fall, y’all! Year round, our Technical Services and Digital Archives staff work on processing, cataloguing, and digitizing arrivals to the Hagley archives, and they worked through tons of materials over the past few months. Highlights include the declassified records of DuPont’s activities for the Manhattan Project and a collection of Pennsylvania Railroad photographs from the World’s Columbian Exposition. Ohio Steel Company, Cleveland, Ohio (World’s Columbian Exposition, Pennsylvania Railroad exhibit photographs)

The result of this work is dozens of findings aids, catalogue records, and digitized material designed to help researchers like you explore our stacks virtually. Here are newly available collections to peruse online or in person.

MANUSCRIPT & ARCHIVAL COLLECTIONS

Trundle Consultants, Inc. records [Industrial consultants]

Susan P.H. Appleton dressmaking account book

Central Auto Sales Company incoming correspondence

John E. Hansen papers [DuPont Company scientist]

Robert "Butch" C. Brown papers [DuPont Company sales]

Philip G. Gossler memorial resolution from Columbia Gas & Electric Corporation 

Ephriam Discher papers [Seagram's Company]

Edward E. DeHaven and Thomas Virgil DeHaven papers [RCA Victory Company employees]

Scott M. Malfitano papers [Assistant to Pete du Pont]

"Five Fibers," by William Radebaugh, manuscript [DuPont Company]

John "Jack" J. O'Brien papers [Railroad employee]

RCA home study course materials 

DuPont Company Manhattan Project records

AUDIOVISUAL & DIGITAL COLLECTIONS

Oskar Held collection of Crofton, du Pont, and Shubrick family photographs 

Verna Patterson collection of advertising blotters 

General advertising blotter collection 

World’s Columbian Exposition, Pennsylvania Railroad (PRR) exhibit photographs

Robert Holton Papers digital collection (Dupont Company)

And that's not all! We also added a Recent Additions page to our digital archives. Hagley Library staff add new content to the digital.hagley.org weekly so check back often!

To view additional finding aids and published collections records, visit the Hagley Finding Aids Database and the Hagley Library Catalog. For more information on collections access and use at Hagley, contact our Reference Services staff at research@hagley.org.

Hannah Pfeifer is the Hagley Library Coordinator

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