If you are specifically looking for PDF summaries or lecture notes that follow a Gaonkar-style teaching method for the 8086, you can check academic repositories:

Microprocessor and Interfacing (8086, 8051, 8096, and 80X86) Douglas V. Hall & S.S.S.P. Rao

Excellent for detailed architecture and design-level understanding. Finding PDF Resources

: Provides an integrated treatment of hardware and software for the 8-bit Intel 8085.