Lycoming, Engine, models:

AIO-320	Operator'S Manual
AIO-360 Series	Operator'S Manual
IO-360-N1A	Installation And Operation Manual
IO-390-D Series	Maintenance Manual
IVO-540 Series	Operator'S Manual
O-235 series	Operator'S Manual
TEO-540 Series	User'S Manual And Troubleshooting Manual
TEO-540-A1A	Installation And Operation Manual
TEO-540-C1A	Maintenance Manual
YO-233-B2A	Maintenance Manual