Bees, a collection of 8 lectures (with prelude and appendix of extracts) by Rudolf Steiner. (From CW 351, with the prelude from CW348). Given in Dornach.
For your convenience, below is a zip file of this entire set of lectures. It does require that you have an unzipping utility of some kind on your computer. For you mac people this is built in.
1. Lecture 1 (November 26, 1923)
2. Lecture 2 (November 28, 1923)
3. Lecture 3 (December 1, 1923)
4. Lecture 4 (December 5, 1923)
5. Lecture 5 (December 10, 1923)
6. Lecture 6 (December 12, 1923)
7. Lecture 7 (December 15, 1923)