Instrument Rating ACS - Read it multiple times

FAA Library

FAA Instrument Procedures Handbook

Instrument Rating Tips and Tricks

ADF Tracking- Procedures

Instrument Bracketing Procedure

What is a "Stabilized Approach"?

Missed Approach Info

Decision Height and MDA

Approach Lighting Systems Explained

IFR Written Clearance Shortcuts

Single Pilot Resource Management (SRM)

Instrument IPC

What to expect on your IPC (Instrument Proficiency Check)

FAA Advisory Circular (61-98D) on Flight Reviews and Instrument Proficiency Checks

Sporty's IPC Video

Instrument Procedures

VHF Omni-Directional Range

Holding Procedures