From the introduction:
This is a report from the series of studies addressing the issues related to recycled paper. The state of recycled papermaking in the 18th-19th century Japan is briefly summarized, followed by an ongoing corroborative experiment to recreate recycled paper and book covers.
Hioki, Kazuko, "Investigation of Historical Japanese Paper: An Experiment to Recreate Recycled Paper from 18th-19th Century Japan" (2014). Library Faculty and Staff Publications. 259.