Popeye
If I have this right you should have the following for the M/V Bloemfontein (these aircraft are often said to have been on the USAT Meigs - I'm not sure which ship)
40-662, 40-663, 40-666, 40-667, 40-670, 40-671, 40-674, 40-675, 40-678, 40-679, 41-5305, 41-5314, 41-5332, 41-5333, 41-5334, 41-5336, 41-5337, 41-5338
Based on the information you can pull on these aircraft the following were likely on USAT Ludington 40-677, 40-681, 41-5306, 41-5308, 41-5309, 41-5310, 41-5312, 41-5313, 41-5316, 41-5317, 41-5318, 41-5320, 41-5321, 41-5322, 41-5324, 41-5325, 41-5326, 41-5328, 41-5329, 41-5330,
I may not be correct, but I used the basics of the histories of the first ones to find the second group
Buz