Here are documents for postal related operations.
JCAM Joint Contract Administration Manual
M-41 City Delivery Carriers Duties and Responsibilities
M-39 Management of Delivery Services
The NALC Guide to Identifying Intentional False Editing of Clock Rings
Manager's Guide to Reasonable Accomodation
Hazardous, Restricted, and Perishable Mail
NALC's Guide to the Performance Engagement Tool
Grieving Management's OWCP Violations
Analyzing the Employee Everything Report
Employee and Labor Relations Manual
The Family and Medical Leave Act