Before I forget, add Eng 52 & Eng 70 to the list of triple stations. They both had second sections for a period.
Now for the remainer of the Bronx:
Eng 46, 46-2, L-27 L-27-2, BC56 (2 seperate stations next to each other)
Eng 45, Sq 1, L-58, BC 18 (2 seperate stations next to each other) also E-512 was there
Eng 50, 50-2, L-19, Div 6
Eng 60, L-17, l-17-2, BC 14
Eng 73, Sq 2, L-42, BC 55 (2 seperate stations next door to each other)
Eng 82, Eng 85, L-31, L-712, BC 27
Eng 88, Eng 88-2(former 46-2), L-38 (2 seperate stations next door to each other)
Eng 94, E-513, L-48, BC-3