Commerce reports. Supplement to Commerce reports, no. 3a, 5b, 10a, 11b, 12a, 16c, 20b, 22j, 37b, 55g-i, 58d-e, 59b, 68a, 69b, 70a, 72c. 37b. Nicaragua, by Henry S. Waterman; Bluefields, by John R. Bradley.