Are you familiar with Plutarch, Lucurgus , Aristotle, Politics , Xenephon, the Spartan poets Terpander and Alcman? All of these primary sources contain invaluable information. The good modern sources include: Paul Cartledge (he has written heaps and is considered the contemporaty expert; Sarah Pomeroy on Spartan Women; Ehrenberg, Solon to Socrates ; Hammond; Forrest; Andrewes; Murray etc etc. The Internet Ancient History Resources are great, and many of the ancient texts are available in full translations online.
Don't expect other students to spoonfeed you their own valuable summaries. You will learn more if you do your own reading and notemaking. Good luck with your studies.
Ancient:
- Strabo talks about geography
- Xenophon talks about the social reforms
- Aristotle talks of the political reforms (he's quite critical of it)
- Plutarch talks about Lycurgus and the social reforms
other historians include Thucydides, Plato, Herodetus, Tyrtaeus (poet), Alcman (poet) etc etc
As mentioned before, modern historians include Cartledge, Pomeroy, Hammond, Fine, Taylor etc