Spreadsheet of Doom™ time! (This is incomplete due to time constraints; I've focused on the more diverse/divergent canons.) And indeed, I am now flat out of time....

&Co. # "The Norbury Triptych" - gardnerhill (yes, this clashes with my prior guess for my gift)

Abdul-Jabbar
# "Mission: Improbable" - vulgarweed

Coules
# "Nie mehr fürchten" - Blistering_Typhoons

Granada
# "The Black Cat Conundrum - a_candle_for_sherlock

Private Life of Sherlock Holmes
# "Five Happy Years" - aceredshirt13

Rathbone
# "Graveyard Shift" - happyeverafter72

W&H
# "John and Watson, Watson and John" - deelaundry
# "Watson Ejaculated" - rudbeckiasunshine