21. A point in dispute. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
22. Prof. Horsford's phosphatic baking powder. Healthful & nutritious Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
23. Prof. Hosford's Self Raising Bread Preparation. The healthful and nutritious baking powder. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: (c) 1884 Institution: Boston Public Library
24. Rumford Chemical Works - Horsford's bread preparation. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
25. Scream of tartar, use Patapsco baking powder for sale everywhere. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
26. Sea foam brings health and happiness. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
27. Sea foam cookery always light. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
28. Sea foam preserves youth and beauty. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
29. Sing-a-song of sixpence. It makes splendid biscuits and cakes. Try it! Aunt Sally Baking Powder Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
30. This family take any baking powder the grocer sells them. Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
31. Tommy's dream no. 1 - 2 organs to be given with Aunt Sally Baking Powder, every box has a chance Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
32. Tommy's dream no. 2 - 2 organs to be given with Aunt Sally Baking Powder, every box has a chance Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
33. Try Aunt Sally - pease, Mr. Fox, I is too little Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
34. Try Aunt Sally - rare fun Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
35. Use Aunt Sally Baking Powder - Old Mother Hubbard No. 1 Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
36. Use Aunt Sally Baking Powder - Old Mother Hubbard No. 2 Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
37. Use Aunt Sally Baking Powder - Old Mother Hubbard No. 3 Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
38. Use Aunt Sally Baking Powder - Old Mother Hubbard No. 4 Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
39. Use Aunt Sally Baking Powder - Old Mother Hubbard No. 5 Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library
40. Use Czar baking powder Format: Postcards/Cards Collection: 19th Century American Trade Cards Date: [ca. 1870–1900] Institution: Boston Public Library