ManSeongDaeDongBo
The scanned record is available on Family Search, which is one of the most valuable sources for scanned Korean genealogy records:
Record Information
Scanned Record Images Online
The scanned record is also available online from the Academy of Korean Studies’ Center for Korean Studies Memorials:
Record Information
Scanned Record Images Online
Professor Mark Peterson provided an amazing tutorial on how to use this record:
YouTube Tutorial from RootsTech 2021
Some incredible projects have indexed the record and made it searchable!
Joseon Dynasty Family Relationship Network Information System (LNIS)
Record History: history
Here is an index showing the clans (surnames with origin) and page numbers for families in the ManSeongDaeDongBo: