Beyond Mapping Compilation Series - by Joseph K. Berry: columns appearing in GeoWorld (formally GIS World) magazine from March 1989 through December 2013.
Book I — Beyond Mapping: Concepts, Algorithms and Issues in GIS (columns from 1989 to 1993)
Book II — Spatial Reasoning for Effective GIS (columns from 1993 to 1996)
Book III — Map Analysis: Understanding Spatial Patterns and Relationships (columns from 1996 to 2007)
Book IV — GIS Modeling: Applying Map Analysis Tools and Techniques (columns from 2007 to 2013)
Sites e páginas com materiais sobre SIG, Cartografia e PDI.
Mundo Geomática - Professor Alexandre Rosa dos Santos, UFES. - diversas apostilas de SIG e PDI gratuitas, como "Delimitação Automática de APPs no ArcGIS".