Here are some pre-computer khmer script samples. Do you know others? Please tell me!

XIXe-XXe c.

Khmer Printing Types and the Introduction of Print in Cambodia: 1877–1977 by Zachary Scheuren

🅜anuscript - 🅣ypewriter - 🅟rinting type
☆ accessible only from within the USA

Palm leaves and paper manuscripts

AKSOON KHOOM: Khmer Heritage in Thai and Lao Manuscript Cultures by Jana Igunma

Stone inscriptions

Corpus des inscriptions khmères - Tableaux paléographiques