Visual Programming Bibliography from "Visual Programming for Model Construction" course of W. Kreutzer. http://www.cosc.canterbury.ac.nz/~wolfgang/cosc414/VisualProgramming.html

Watch What I Do: Programming by Demonstration http://www.acypher.com/wwid/

Programming in Three Dimensions By Marc Najork. This thesis describes Cube, the first visual language to employ a three-dimensional syntax. http://www.cs.uiuc.edu/Dienst/UI/2.0/Describe/ncstrl.uiuc_cs/UIUCDCS-R-93-1838

VL97 IEEE Symposium on Visual Languages. (mirror) http://cs.oregonstate.edu/~burnett/vl97.html