787 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXI) London (1921); (1620) R.II.9
788 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXII) London (1921); (1621) R.II.10
789 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXIII) London (1922); (1622) R.II.11
790 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXV) London (1923); (1623) R.II.12
791 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXVI) London (1923); (1624) R.II.13
792 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXVII) London (1924); (1625) R.II.14
793 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXVIII) London (1925); (1626) R.II.15
794 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXIX) London (1925); (1627) R.II.16