I'll add more links here as they pop up.
Feel free to add any that I miss.
http://www.tenlinks.com/news/PR/opendcl/121007_opendcl41.htm (http://www.tenlinks.com/news/PR/opendcl/121007_opendcl41.htm)
http://management.cadalyst.com/cadman/Product+Showcase%2C+December+2007/AutoLISP-Programming/Product/detail/478346?contextCategoryId=43938 (http://management.cadalyst.com/cadman/Product+Showcase%2C+December+2007/AutoLISP-Programming/Product/detail/478346?contextCategoryId=43938)
http://www.cadkicks.com/adkautocad/OpenDCL_4_1_Released (http://www.cadkicks.com/adkautocad/OpenDCL_4_1_Released)
http://www.dailyautocad.com/autocad/visual-lisp-programming-user-interfaces-with-opendcl/ (http://www.dailyautocad.com/autocad/visual-lisp-programming-user-interfaces-with-opendcl/)