The following items are publications from the NH Department of Labor and the US Government Department of Labor.
NH Dept of Labor Youth Employment FAQ  
NH Minimum Wage Law Rev 4-22-2014
NH Equal Pay Rev 12-2014
NH Employee Protection Law Rev 4-22-2014
Volunteers Code of Federal Regulations/Fair Labor Standards Act
Guide for Developing a Safety Program NH Dept of Labor 2016
NH Labor Laws Fact Sheet NH Dept of Labor 2015
Family and Medical Leave Act US Dept of Labor 2013
Service Animals ADA Center 2014
Libraries and Extremism Anti-Defamation League
Below are additional management materials such as meeting resources, "Best Practices" and samples from other libraries that can be customized for your own use. The samples are provided with no assurance that their contents have passed any legal review.
Langdon Library, Newington, Town Meeting Slide Presentation
Robert's Rules of Order Cheat Sheet
Robert's Rules of Order Simplified
Sample Meeting Agenda
Sample Meeting Minutes
Sample Non-Public Session form
Evaluate your Board Meetings
Sample Letter of Agreement - Library Funds/Generic
Sample MOU (Memorandum of Understanding) - Building Maintenance/Barrington Public Library
Sample MOU/Cooperative Agreement - Milton Library Trustee Board and Select Board
Sample Custodian Job Description
Library Director Job Description - generic sample 1
Library Director Evaluation - generic sample 1
Trustee Job Description
Trustee Code of Ethics
Responsibilities of Trustee & Director
Working Together: Director-Trustees-Friends
Volunteers Best Practices NHSL (Rev 7-2013)
The following articles are for reference only and are available with permission from the New Hampshire Municipal Association (NHMA). New Hampshire Town and City magazine articles are copyright protected by the New Hampshire Municipal Association, Concord, NH.
Legal Q & A: The Powers and Duties of Library Trustees
Legal Q & A: Problem Patrons in the Public Library
Legal Q & A: Meeting Minutes 101
Legal Q & A: Of Meeting Minutes and Machines
Legal Q & A: Sealing of Nonpublic Session Meeting Minutes

The policies and bylaws below are made available by the originating Trustee Boards. They are provided as examples with no assurances that their contents have passed any legal review, or would apply to any other library, Our thanks to all Trustee Boards for sharing this information which will assist other boards in fulfilling their responsibilities.

Collection Development Jaffrey Public Library (revised 4-2017) 
Hooksett Public Library.  Policies
Keene Public Library. Policies and Bylaws 
Langdon Library, Newington, Bylaws
Langdon Library, Newington, Policies (updated 11-29-2012)
Wiggin Library, Stratham, Meeting Room & Display Policies
Generic Library Personnel Policy

Public libraries in New Hampshire are clustered into 11 library co-ops.  These co-ops are a good source to find neighboring library trustee boards to organize regional gatherings to share information and talk about issues that are common to all trustees. The following lists are downloadable in PDF format. 
Co-op list sorted by city/town name
Co-op lists sorted by co-op name
Co-op lists sorted by population
Co-op lists sorted by co-op name and population

PDF files are opened using Adobe Acrobat Reader, available at Adobe's web site.