41. Albany sheet, New York

42. Albion sheet, New York

43. Alexandria Bay quadrangle, New York

44. Alikchi quadrangle, Indian Territory (Choctaw Nation)

45. Amargosa region, Nevada California

46. The American Atlas [Material cartográfico] : or, A Geographical Description of the Whole Continent of America, wherein are delineated at large, its several regions, countries, states, and islands; and chiefly the British Colonies, Composed from numerous Surveys, several of which were made by Order of Government

47. Amérique Méridionale publiée sous les auspices de Monseigneur le Duc d' Orleans Prémier Prince du Sang

48. Amérique Méridionale [Material cartográfico] Publiée sous les Auspices de Monseigneur le Duc d'Orléans Prémier Prince du Sang

49. Amérique Septentrionale [Material cartográfico] : Publiée sous les Auspices de Monseigneur le Duc d'Orleans Prémier Prince du Sang

50. Amsterdam quadrangle, New York

51. Anaheim quadrangle, California

52. Anaheim Sheet, California

53. Ancient India [Material cartográfico]

54. Angelica quadrangle, New York

55. Ann Arbor quadrangle, Michigan

56. Annapolis quadrangle, Maryland

57. Anne Arundel quadrangle, Maryland

58. Anniston quadrangle, Alabama

59. Anoka quadrangle, Minnesota

60. Anson quadrangle, Maine (Somerset county)