Beginner's Guide to Aerodynamics -- NASA Glenn Research Center  
   Background information on basic aerodynamics as teaching aids for secondary math and science teachers.
   http://www.lerc.nasa.gov/WWW/K-12/airplane/bga.html

Airfoils by Chris Heintz  
   A textbook that discusses airfoil aerodynamics as applied to STOL aircraft.
   http://zenithair.com/kit-data/ht-87-5.html

Mark Ketchum's Bridge Aerodynamics Page  
   A discussion of bridge aerodynamics, with particular emphasis on suspension bridges and the Tacoma Narrows disaster of 1940.
   http://www.ketchum.org/wind.html

Aerodynamics in Plain English  
   A collection of 17 articles, for sale by the author, that explain the basic concepts in aerodynamics for students in k-12 and college.
   http://www.hanleyinnovations.com/plainenglish.html

Advanced Topics in Aerodynamics  
   Electronic media about Aerodynamics, Aeronautics, Propulsion Systems, and Related Technology.
   http://www.aerodyn.org/

Aeronautics Learning Laboratory -- (ALLSTAR) Network  
   A NASA generated site with instructional resources for students and educators. Includes sections on the history and principles of aeronautics.
   http://www.allstar.fiu.edu/

Helicopter Aerodynamics  
   A non-mathematical introduction to rotary wing aerodynamics.
   http://www.ai.mit.edu/projects/cbcl/heli/helo_aero.html

Unsteady Aerodynamics Research of Dr. Kevin D. Jones  
   Unsteady aerodynamics research in flapping-wing propulsion and aeroelasticity. Javascript animations of most concepts.
   http://www.aa.nps.navy.mil/~jones4/unsteady.html

NACA Technical Report Server  
   Searchable index of over 6,000 Research Reports, Technical Manuals, and Technical Notes produced by the National Advisory Committee for Aeronautics (NACA) between 1917 and 1958. Papers available as single-page GIF files or as complete-report PDF files.
   http://naca.larc.nasa.gov/

Applied Computational Aerodynamics Text -- W.H. Mason  
   An electronic version of class notes for "Applied Computational Aerodynamics" as taught at the Virginia Polytechnic Institute and State University.
   http://www.aoe.vt.edu/aoe/faculty/Mason_f/CAtxtTop.html

Electronics Cooling -- Fan and Blower Aerodynamics  
   A basic discussion of the aerodynamics of fans and blowers. Airfoils and volumetric flow calculations.
   http://www.electronics-cooling.com/Resources/EC_Articles/MAY96/may96_01.htm

Beginner's Guide to Aeronautics  
   Prepared at NASA Glenn by the Learning Technologies Project (LTP) to provide background information on basic aerodynamics and propulsion for secondary math and science teachers. Includes interactive animated illustrations of many concepts.
   http://www.lerc.nasa.gov/WWW/K-12/airplane/index.html

Highly Nonplanar Lifting Systems by Kroo, McMasters and Smith  
   A paper by Ilan Kroo (Stanford University), John McMasters (Boeing Commercial Airplane Group) and Stephen C. Smith (NASA Ames Research Center) that deals with nonplanar wing concepts (e.g. biplanes, triplanes, box planes, ring wings, lifting struts, joine
   http://aero.stanford.edu/reports/nonplanarwings/nonplanarwings.html

Aerodynamics of Bicycles  
   An practical introduction to the Aerodynamics of ground vehicles.
   http://www.princeton.edu/~asmits/Bicycle_web/bicycle_aero.html

Langley Technical Reports Server (LTRS)  
   Searchable collection of over 2,000 aerodynamic and aerospace related technical papers. The full-text papers are available as either PDF or Postscript files.
   http://techreports.larc.nasa.gov/ltrs/

Applied Aerodynamics Links from Michael Selig  
   Several hundred links to Aerodynamic resources from Professor Michael Selig of the University of Illinois at Urbana-Champaign.
   http://www.aae.uiuc.edu/m-selig/apaLinks.html

Low-Speed Airfoil Data  
   Detailed aerodynamic data for low speed airfoils. Especially appropriate to remote controlled sailplanes.
   http://www.aae.uiuc.edu/m-selig/uiuc_lsat.html

Aerodynamics for Students  
   Covers fluid mechanics, theory of flight, aerodynamics, gasdynamics, aircraft performance, propulsion, and data sheets.
   http://www.mech.eng.usyd.edu.au/aero/contents.html

UIUC Airfoil Data Site  
   The University of Illinois at Urbana-Champaign airfoil database includes over 1,000 airfoils covering a wide range of applications, from low Reynolds number airfoils for UAVs and model aircraft to jet transports. Includes airfoil analysis resources.
   http://www.aae.uiuc.edu/m-selig/ads.html

The K-8 Aeronautics Internet Textbook  
   Learning resources for aeronautics including an online textbook, lesson plans, interactive activities, curriculum bridges to other subjects.
   http://wings.avkids.com/

Principles of Aeronautics  
   An online textbook discussing the basics of flight, drag and lift with content and lesson plans appropriate to all educational levels.
   http://wings.avkids.com/Book/Fundamentals/

Institute of Aerodynamics and Flow Technology (AS)  
   German research institute.
   http://www.dlr.de/as