Since an earlier draft of the bill provided the right to inspect and copy other agreements negotiated by the union, a statute giving members the right to inspect other agreements does not compel the union to permit note-taking while inspecting the agreements.
http://media.ca1.uscourts.gov/pdf.opinions/17-1666P-01A.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.