The entire north side of the block appears on the 1880 "Bromley" Brooklyn Atlas.
“Buildings. Projected, Brooklyn,” RERBG v. 15, n. 371 (April 24, 1875), p. 289:
Bergen st, n s, 59 e 4th av, three three-story brown stone dwellings, 19.5x40; owner, &c., John Monas, 187 Bergen st.
“Buildings. Projected, Brooklyn,” RERBG v. 17, n. 424 (April 29, 1876), p. 335:
Bergen st, cor 4th av, one four story brown stone dwelling, 19.8x50; owner, John Monas, 187 Bergen st.
Bergen st, n s, 19.8 e 4th av, two three story brown stone dwellings, 19.5x40; owner, John Monas, 187 Bergen st.
“Buildings Projected, Brooklyn, N. Y.,” RERBG April 28, 1877, p. 343:
Bergen st, n s, 153.4 w 5th av, nine two-story brown stone dwellings, 20x40; owner, &c., John Monas, 187 Bergen st.
“Buildings Projected, Brooklyn, N.Y.,” RERBG v. 20, n. 504 (November 10, 1877), p. 879:
Dean st, s s, 80 w 5th av & Bergen st, n s, 80 w 5th av, two three-story brown stone dwellings, 20x50; owner, Geo. W. Brown, 46 Portland av; architect, T. F. Thomas; builder, L. Brown.
“Buildings Projected, Brooklyn, N.Y.,” RERBG v. 25, n. 634 (May 8, 1880), p. 455:
Plan 277 – Bergen st, Nos. 374 and 376, s s, 580 w 5th av, two four-story brown stone flats, 20x45.2, felt and gravel roof, wooden cornice; owner, Geo. W. Brown, 728 Fulton st; architect, C. B. Sheldon; builders, Levi Brown and C. E. Cozzens.
"Building Intelligence; Brooklyn," AABN vol. 7, no. 229 (May 15, 1880): p. 219.
– "Bergen St., Nos. 374-376, 2 four-st’y brown stone flats, 20' x 45' 2"; owner, Geo. W. Brown; 728 Fulton street; architect, C. B. Sheldon; builders, Levi Brown and C. E. Cozzens."
This row appears on the 1880 "Bromley" Brooklyn Atlas.
“Buildings Projected, Brooklyn, N. Y.,” RERBG June 14, 1879, p. 498:
Plan 414- Bergen st, s s, 480 w 5th av, five three-story brown stone flats, 20x60, felt and gravel roof and wooden cornice; owner, Geo. W. Brown; architect, T. F. Thomas; builder, L. Brown.
“Buildings Projected, Brooklyn, N.Y.,” RERBG v. 22, n. 560 (December 7, 1878), p. 997:
Bergen st, s s, 400 w 5th av, four three-story brown stone flats, 20x60, gravel roof and wood cornice; owner, Geo. W. Brown, Portland av; architect, F. F. Thomas, builders, Levy Brown and J. W. Gray.
South side Bergen st, 400 ft west 5th av, four 3-story brown stone flats; architect, F. F.. Thomas; builders, Levy Brown & J. W. Gray. -M&B vol. 11, no 2 (Feb. 1879): p. 32 ("Building Intelligence; Brooklyn, N.Y.").
“Buildings Projected, Brooklyn, N.Y.,” RERBG v. 21, n. 525 (April 6, 1878), p. 305:
Bergen st, s s, 214.4 w 5th av, five two-story brick dwellings, 20x40; tin roof and wood cornice; owner, architect, and carpenter, John Monas, 187 Bergen st.
“Buildings Projected, Brooklyn, N.Y.,” RERBG v. 22, n. 542 (August 3, 1878), p. 658:
Bergen st, s s, 300 w 5th av, five two-story brown stone dwellings, 20x40; tin roof and wood cornice; owner, architect and builder, John Monas, 187 Bergen st.
South side Bergen st, 300 ft west 5th av, five 2-story brown stone dwellings; architect and builder, John Monas; M&B vol. 10, no 7 (July 1878): p. 152 ("Building Intelligence; Brooklyn, N.Y.").
“Buildings Projected, Brooklyn, N.Y.,” RERBG v. 21, n. 530 (May 11, 1878), p. 421:
Bergen st, s s, 80 w 5th av, one three-story brown stone tenement, 20x56, gravel roof and wooden cornice; owner, Geo. W. Brown, 46 S. Portland av; architect, T. F. Thomas; builder, L. Brown.
A 1940s view east from 5th Avenue is online at NYPL: Image ID: 703216F.
“Buildings. Projected. Brooklyn,” RERBG v. 18, n. 436 (July 22, 1876), p. 572:
Bergen st, n s, 155.5 w Flatbush av, one three-story brick store and dwelling, 25x50; owner, P. H. Quinn, 174 St. James pl; architect, Thos. F. Houghton.
These 4 houses appear on the 1880 "Bromley" Brooklyn Atlas.
"Building Intelligence; Brooklyn," AABN vol. 12, no. 359 (Nov. 11, 1882): p. 235.
– "Bergen St., n s, 200' e Fifth Ave., four-st’y brick tenement, tin roof; cost, $8,000; owner, Miss Ann McCarty, 100 De Kalb Ave.; architect, S. W. Osmun."
“Buildings Projected, Kings County,” RERBG v. 30, n. 764 (November 4, 1882), p. 982:
1084- Bergen st, n s, 200 e 5th av, one four-story brick tenem’t, 25x50, tin roof, wooden cornice; cost, $8,000; owner, Miss Ann McCarty, 100 De Kalb av; architect, S. W. Osman.
These 2 houses appear on the 1880 "Bromley" Brooklyn Atlas.
"New Buildings," RERBG v. 60, no. 1548 (November 13, 1897): p. 756.
-1828- Bergen st, s s, 100 e 5th av, three 4-sty brk flats, 26.6x65, 8 families, gravel roof, galvanized iron cornices; total cost, $22,500; ow'r and b'r, T J Assip, 250 Court st; ar't, W M Coots, 32 St Marks av.
South side Bergen street, 100 feet east of Fifth avenue, three four story brick, 26 1/2 x 65, eight families, gravel roof; F. J. Assep [sic - Assip], owner; cost $22,500. -Brooklyn Eagle, November 09, 1897, p. 13 ("Real Estate Market").
This row appears on the 1880 "Bromley" Brooklyn Atlas.