How do I find professional publications on archaeoastronomy?
The University of Texas Press publishes Archaeoastronomy: The Journal of Astronomy in Culture, which contains professional articles in archaeoastronomy, as does the Journal for the History of Astornomy. The Center for Archaeoastronomy at the University of Maryland provides a perpetual used book sale and Ocarina Books specialises in archaeoastronomy publications including the proceedings of SEAC conferences.