Volunteer workers in museums--Training of--United States--Handbooks, manuals, etc.
Tour guides (Persons)--Training of--United States--Handbooks, manuals, etc.
Museum visitors--Education--United States--Handbooks, manuals, etc.
Educators--United States--Handbooks, manuals, etc.
Museums--Employees--Training of--United States--Handbooks, manuals, etc.
Museums--Educational aspects--United States--Handbooks, manuals, etc.
Museum curators--Training of--United States--Handbooks, manuals, etc.
The interpreter's training manual for museums