0
Sir Henry Clifton Sorby
Karl Hermann Scheumann has written:
'Petrography' -- subject(s): Petrology
Benvenuto Steenstra has written:
'Geography and petrography of the Kilo region (N.E. Belgian Congo)'
Henry Brewer Milner has written:
'Sedimentary petrography' -- subject(s): Sedimentary Rocks
Edwin F. Koppe has written:
'Petrography of coal in the Houtzdale quadrangle' -- subject(s): Coal, Geology