1880 Synopsis of GTS Vol 12 Calcutta Longitaudinal Series or Series B of SE Quadrilateral.pdf 8.40 MB
1883 Synopsis of GTS Vol 19 N Parasnath and N Maluncha Meridional Series of NE Quadrilateral s.pdf 7.34 MB
1885 Synopsis of GTS Vol 13A S Parasnath and S Maluncha Meridional Series of SE Quadrilateral s.pdf 11.21 MB
1887 Synopsis of GTS Vol 7A Jodhpore and E Sind Meridional Series of NW Quadrilateral s.pdf 16.49 MB
1892 Synopsis of GTS Vol 28 Madras Meridional and Coast Series or Series E of Southern Trigon.pdf 11.61 MB