Build A Declination Scale For Your Star Adventurer — AstroPills
Map Tools -- Declination Reference Sheet Design
How to Use a Compass - American Hiking Society
ProMap Compass
Amazon.com : Sun Company ProSight Sighting Map Compass with Adjustable Declination - Lightweight Orienteering Baseplate Compass for Hiking, Backpacking, and Survival Navigation | Professional Grade Compass : Sports & Outdoors