801 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXVI) London (1929); (1634) R.II.23
802 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXVII) London (1929); (1635) R.II.24
803 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXVIII) London (1930); (1636) R.II.25
804 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXIX) London (1930); (1637) R.II.26
805 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXXI) London (1931); (1638) R.II.27
806 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXXII) London (1932); (1639) R.II.28
807 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXXIII) London (1933); (1640) R.II.29
808 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXXIV) London (1933); (1641) R.II.30
809 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXXV) London (1934); (1642) R.II.31
810 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CCXXXVI) London (1934); (1643) R.II.32
