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Basic and Advanced Symbol Selection in ArcGIS 10.1 - YouTube
Best Practices in Geographic Information Systems-based Transportation Asset Management | Federal Highway Administration (FHWA)
Ch. 6: Output | Michael Schmandt
ArcMap Basics
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Setting symbol legend properties—Help | ArcGIS for Desktop
Working with legends—Help | ArcGIS for Desktop
DIVA-GIS Manual
Esri GitHub | Open Source and Example Projects from the Esri Developer Platform
Including labels in map legend and point symbology of ArcGIS for Desktop? - Geographic Information Systems Stack Exchange
Missing reproducibility in dot maps with common GIS software. | Download Scientific Diagram
Visualizing Population Distributions with Dot Density Maps – Andrew Gaidus – spatial analysis, data science, open source gis, data visualization
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Lab 2 - Creating Map Symbology
About symbolizing layers to represent quantity—Help | ArcGIS for Desktop
