[MSDN Library June 1998] ToolBook Version 1.5 May Cause a GP Fault Under Windows 3.1 (53.3862433862434%)

MSDN Library Visual Studio 6.0 > Knowledge Base > Windows 3.x Retail Product

[MSDN Library September 1992] ToolBook, an Interactive Development Environment for Windows (16.7304804804805%)

Books and Magazine Articles > MS Systems Journal > Volume 5 - Number 5 (September, 1990)