671 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.XCIII) London (1888); (1515) Q.I.20
672 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.XCIV) London (1888); (1516) Q.I.21
673 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.XCV) London (1889); (1517) Q.I.22
674 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.XCVI) London (1889); (1518) Q.I.23
675 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.XCVII) London (1889); (1519) Q.I.24
676 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.XCVIII) London (1889); (1520) Q.I.25
677 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.XCIX) London (1890); (1521) Q.I.26
678 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.C) London (1890); (1522) Q.I.27
679 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.CI) London (1890); (1523) Q.I.28
680 A.A.V.V. Minutes of proceedings of the institution of civil Engineers(Forrest J. – vol.CII) London (1890); (1524) Q.I.29
