LTspice Creating and Working with Symbols - YouTube
LTspice creating a hierarchical schematic - YouTube
LTspice-Circuit hierarchy(blocked) | Spiceman
Best practices for using subcircuits and hierarchical blocks in LTspice - Electrical Engineering Stack Exchange
Best practices for using subcircuits and hierarchical blocks in LTspice - Electrical Engineering Stack Exchange
Making Sub-Circuits / Hierarchical Circuits in LTSpice - Education - Engineering and Component Solution Forum - TechForum │ Digi-Key
simulation - How to create LTspice hierarchical blocks/sub-circuits/custom components? "Missing schematic of the hierarchy: " - Electrical Engineering Stack Exchange