The following are resources that I've found useful at various points during my mathematical career
- MGSA's list of past qualifying exam questions.
- My qualifying exam syllabus.
- Past Princeton General Exams.
- Milne has very good course notes on various number theory topics.
- Bjorn Poonen's expository articles and class notes have been very useful.
- Kiran Kedlaya has a wiki of conferences in arithmetic geometry.
- There is also a list of number theory conferences.
- Ravi Vakil maintains a list of algebraic geometry conferences.
- Anton Geraschenko has good notes from classes and workshops he's attended.
- A German-English dictionary for math words.
- Ezra Miller created the CV template I use.
