742 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXIII) London (1906); (1575) R.I.4
758 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXXIX) London (1910); (1591) R.I.20
743 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXIV) London (1906); (1576) R.I.5
759 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXXX) London (1910); (1592) R.I.21
744 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXV) London (1906); (1577) R.I.6
760 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXXXI) London (1910); (1593) R.I.22
745 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXVI) London (1906); (1578) R.I.7
746 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Tudsbery J.H.T. – vol.CLXVII) London (1907); (1579) R.I.8
