Optimize VFP for Multi-User: http://msdn.microsoft.com/en-us/library/aa977187(v=VS.71).aspx
Accessing the data source: http://msdn.microsoft.com/en-us/library/aa903388(v=VS.71).aspx
Row version: http://msdn.microsoft.com/en-us/library/ms182776.aspx
Client Server App Design: http://msdn.microsoft.com/en-us/library/f519yawt(VS.71).aspx
Creating forms in VFP: http://www.hentzenwerke.com/catalog/fund6.htm
Related videos: http://www.garfieldhudson.com/FreeVideos.aspx
Developing Modifications that Survive Concurrency
http://social.msdn.microsoft.com/Forums/eu/visualfoxprogeneral/thread/1dc29e58-bab4-44ea-8b69-9b9cacd8bf2c
http://social.msdn.microsoft.com/Forums/en-US/visualfoxprogeneral/thread/1c2e44e7-1d04-4901-9f23-956d4b6a1101
http://social.msdn.microsoft.com/Forums/en-US/visualfoxprogeneral/thread/4a98d8d8-4cdb-4568-9f02-b555e736e90d
http://social.msdn.microsoft.com/Forums/eu/visualfoxprogeneral/thread/72b0ff30-b2cb-4aa5-9032-cc137a682824