Letter 67: 1 January 152[1], Claude Chansonnette to Capito
Letter 68: 5 January [1521], Konrad Heresbach to Capito
Letter 69: 6 January 1521, Claude Chansonnette to Capito
Letter 70: 13 January 1521, Felix Ulscenius to Capito
Letter 71: 16 January 1521, Ulrich von Hutten to Capito
Letter 72: 26 January 1521, Peter Wickram to Capito
Letter 73: 29 January 1521, Johann Cochlaeus to Capito
Letter 74: 30 January 1521, Martin Bucer to Capito
Letter 75: 5 February 1521, Ulrich von Hutten to Capito
Letter 76: [Just before 6 February 1521], Wilhelm Nesen to Capito
Letter 77: 7 February 1521, Johannes Alexander Brassicanus to Capito
Letter 78: 9 February 1521, Martin Bucer to Capito
Letter 79: Before 23 February 1521, Philipp Engelbrecht to Capito
Letter 80: 23 February 1521, [Martin Bucer] to Capito
Letter 81: [January/February 1521], Albert of Brandenburg to Nicolaus of Schönberg
Letter 82: 3 March 1521, Bernhard Adelmann to Capito
Letter 83: 4 March 1521, Nicolaus Araelunus to Capito
Letter 84: 10 March 1521, Bernhard Adelmann to Capito
Letter 85: 23 March 1521, Martin Bucer to Capito
Letter 86: 28 March 1521, Martin Bucer to Capito
Letter 87: 29 March 1521, Capito to Girolamo Aleandro
Letter 88: 30 March 1521, Bernhard Adelmann to Capito and Conrad Peutinger
Letter 89: March 1521, Conrad Pellicanus to Capito
Letter 90: 13 April 1521, Paolo Bombace to Capito
Letter 91: 13 April 1521, Franz von Sickingen to Capito
Letter 92: 23 April 1521, Hartmann van Hallwijl to Capito
Letter 93: [April 1521], Albert of Brandenburg to [Valentin von Tetleben]
Letter 94: [Beginning of May 1521], Capito to Albert of Brandenburg
Letter 95: 8 May 1521, Valentin Curio to Capito
Letter 96: 29 May 1521, Capito to Georg Spalatin
Letter 97: 21 June 1521, Capito to Girolamo Aleandro
Letter 98: 13 July 1521, Capito to Girolamo Aleandro
Letter 99: 15 July 1521, Capito to Nicolaus Wurmser and the Chapter of St Thomas at Strasbourg
Letter 99a: 15 July 1521, Capito to Sebastian Rotenhan
Letter 100: 26 July [1521], Petrus Mosellanus to Capito
Letter 101: 31 July 1521, Capito to Andreas Althamer
Letter 102: [Summer 1521], Capito to Boniface [Wolfhart]
Letter 103: 4 August 1521, Capito to Zwingli
Letter 104: [c. 26 August 1521], Capito to Albert of Brandenburg
Letter 105: 27 August [1521], Martin Bucer to Capito
Letter 106: [End of August 1521], Albert of Brandenburg to Charles V
Letter_ 107: Now appears as Letter_ 99a
Letter 108: 14 September 1521, Caspar Hedio to Capito
Letter 109: 20 September 1521, Andreas Cratander to Capito
Letter 110: [End of September or beginning of October 1521], Capito to Martin Luther
Letter 110a: 1 October 1521, Albert of Brandenburg to [Leo X]
Letter 111: 5 October 1521, Felix Ulscenius to Capito
Letter 112: 6 October 1521, Felix Ulscenius to Capito
Letter 113: 14 October 1521, Capito to Desiderius Erasmus
Letter_ 114: Now appears as Letter_ 110a
Letter 115: 18 October [1521], Albert of Brandenburg to [Lorenzo Pucci]
Letter 116: [23 October 1521], Albert of Brandenburg to [Leo X]
Letter 117: 23 October 1521, Felix Ulscenius to Capito
Letter 118: 16 November 1521, Felix Ulscenius to Capito
Letter 119: 30 November 1521, Felix Ulscenius to Capito
Letter 120: 11 December [1521], Melanchthon to Capito
Letter 121: 20 and 21 December 1521, Capito to Martin Luther
Letter 122: 21 December 1521, Capito to Melanchthon
Letter 123: [1521], Capito to X
Letter 124: 1521, Andreas Karlstadt to Capito