21. Trade card for Brainerd & Armstrong's Spool Silk, 301 Market Street, Philadelphia, Pennsylvania, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
22. Trade card for Brainerd, Armstrong & Co., silk twist, 301 Market Street, Philadelphia, Pennsylvania, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
23. Trade card for Brook's Spool Cotton, location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
24. Trade card for Clark's Mile-End Spool Cotton 30, John Clark Jr. & Co., location unknown, 1881 Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Date: 1881 Institution: Historic New England
25. Trade card for Clark's Mile-End Spool Cotton 30, John Clark Jr. & Co., location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
26. Trade card for Clark's Mile-End Spool Cotton 30, John Clark Jr. & Co., location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
27. Trade card for Clark's Mile-End Spool Cotton 30, John Clark Jr. & Co., location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
28. Trade card for Clark's Mile-End Spool Cotton 30, John Clark Jr. & Co., location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
29. Trade card for Clark's Mile-End Spool Cotton 30, John Clark Jr. & Co., location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
30. Trade card for Clark's Mile-End Spool Cotton 60, John Clark Jr. & Co., location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
31. Trade card for Clark's Mile-End Spool Cotton 60, John Clark Jr. & Co., location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
32. Trade card for Clark's Mile-End Spool Cotton 8, John Clark Jr. & Co., Glasgow, Scotland, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
33. Trade card for Clark's O.N.T. Spool Cotton and Clark's Best Six Cord 40, location unknown, 1878 Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Date: 1878 Institution: Historic New England
34. Trade card for Clark's O.N.T. Spool Cotton and Clark's Best Six Cord 40, location unknown, 1878 Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Date: 1878 Institution: Historic New England
35. Trade card for Clark's O.N.T. Spool Cotton and Clark's Best Six Cord 40, location unknown, 1878 Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Date: 1878 Institution: Historic New England
36. Trade card for Clark's O.N.T. Spool Cotton, location unknown, 1882 Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Date: 1882 Institution: Historic New England
37. Trade card for Clark's O.N.T. Spool Cotton, location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
38. Trade card for Clark's O.N.T. Spool Cotton, location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
39. Trade card for Clark's O.N.T. Spool Cotton, location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England
40. Trade card for Clark's O.N.T. Spool Cotton, location unknown, undated Format: Postcards/Cards; Ephemera Collection: Ephemera collection (EP001) Institution: Historic New England