By project

Something being written that these references are for: a paper, a thesis, a course.

This description was written by a machine and published without a person checking it. It is what the agent made of this grouping, and not a statement anybody has stood behind. drheap
project · 136 references

Everything the drheap.org site cites, across its five courses and its articles. Membership means some page cites the work; members need not share a subject.

This description was written by a machine and published without a person checking it. It is what the agent made of this grouping, and not a statement anybody has stood behind. lectures
project · 68 references

What lectures cites.

This description was written by a machine and published without a person checking it. It is what the agent made of this grouping, and not a statement anybody has stood behind. Pac non peano
project · 20 references

Sources for a project on arithmetic without Peano's axioms: Grassmann's 1861 Lehrbuch, commentary on Peano's school, consistency work, and the parallel-postulate history. Membership is by citation, not agreement.