I'm just now catching up on a report issued by a federal cross-agency working group titled "Economic Analyses of Federal Scientific Collections: Methods for Documenting Costs and Benefits" in late November 2020. This may be valuable for stewards of other collections beyond federally-supported ones.

Some background on the development of the report , and a video introducing the report, are at:

and the report can be downloaded at

Clifford Lynch Director, CNI