Here are the playlists for all episodes of Mercy Street on Blu Ray
Season 1 Disc 1
E1 - 237
E2 - 895
E3 - 461
Season 1 Disc 2
E4 - 494
E5 - 372
E6 - 355
Season 2 Disc 1
E1 - 910
E2 - 219
E3 - 391
Season 2 Disc 2
E4 - 384
E5 - 335
E6 - 887