United States Department of Agriculture (USDA)
USDA has a webpage devoted to labor laws for agriculture.
Massachusetts Workforce Development System
Massachusetts Department of Agricultural Resources
Agricultural Law Memos (ALMs) on labor housing and zoning.
Massachusetts Farm Bureau Federation
The Massachusetts Farm Bureau Federation is a membership organization made up of family farms and farm related businesses. They work to solve problems in agriculture through education and legislative action.
Massachusetts farm labor laws from private reference website.