- http://www.cs.cornell.edu/courses/cs482/2003su/handouts/pseudocode.pdf
- http://users.csc.calpoly.edu/~jdalbey/SWE/pdl_std.html
- https://it.toolbox.com/blogs/craigborysowich/guidelines-for-structured-english-in-documenting-specifications-042907
- Nick Monfort, Exploratory Programming for the Arts and Humanities (available in Snell, QA76.6.M664 2016)
- Chris Pine, Learn to Program https://pine.fm/LearnToProgram
- https://en.wikiversity.org/wiki/Introduction_to_Programming/About_Programming