与徐可亭通电用 PHPT & 与张公权通电用 CPCPC/ with Xu Keting & Zhang Gongquan, 1940s
- Containers:
- Box 19, Folder 6
Access and use
- Parent restrictions:
-
The collection has no restriction.
This collection is located offsite.
- Location of this collection:
- Before you visit:
- Researchers should request materials at least one week in advance to ensure availability. Due to limited storage, please request only the materials you plan to use during your visit.
- Contact:
- starr@library.columbia.edu