XTF Search Results (docsPerPage=100;f277-subject=Avionics)

http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Avionics) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DAvionics Results for your query: docsPerPage=100;f277-subject=Avionics Thu, 01 Jan 1970 12:00:00 GMT Airports, airways, and electronics. Mehrens, Harold E., United States Civil Air Patrol. https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT