Educators' Guide
http://school.discovery.com/schrockguide/   Kathy Schrock's Guide for Educators, a categorized list of sites useful for enhancing curriculum and professional growth. It is updated often to include the best sites for teaching and learning.  One category includes both Art and Architecture.

Art Education Association of Indiana http://www.aeai.org/
(AEAI) is the professional organization dedicated to promotion, advancement, and improvement of art education at all levels in the state of Indiana. State conferences are a highlight. Workshops are listed.

Indiana Computer Educators (ICE) http://www.iupui.edu/~ice
is a professional group assisting educators to enhance learning through technology.  Over 2,500 educators, presenters, and vendors were in the previous annual ICE conference.

Beyer, Jinny: The Secrets of Interlocking Patterns Designing Tessellations, Contemporary Books (1999)

Tessellation Winners, Escher-like original student art, The First Contest, 1990 Contest Winners, Dale Seymour Publications, 1991

Tessellation Winners, Escher-like original student art, The Second Contest, 1992 Contest Winners, Dale Seymour Publications, 1994

Tapped In 
http://www.tappedin.org/  This is the online workplace of an international community of education professionals. K-12 teachers and librarians, etc,, who  engage in professional development. There are regularly scheduled interactive discussions on art, webquests and other subjects.

Tessellation of Fish Using Paint
http://www.wsd1.org/lgc98/teach/Paint/makefish.htm   Tessellating fish step by step.

Totally Tessellated
http://library.thinkquest.org/16661/?tqskip=1
It is an introduction into the complex world of tessellations and tilings which was entered in the 1998 ThinkQuest competition sponsored by Advanced Network & Services. This contest, for high school students, involves creating an educational web site. Please observe their copyrights.

Tessellation Methods Using MS Paint
https://www.angelfire.com/space/dianajhunter/
Five different ways to tessellate using living things.  Investigate the Translation Method, Glide Method, Rotation Method, and Mid-Point Rotation Method, as well as using Right triangles.  Tips and evaluations are included.