J. Ngana has written:
'Preliminary analysis of Kyela floods'
'Small scale irrigation in Coast Region'
'Estimation of annual floods with limited hydrologic data'
'Hydraulic studies downstream of the proposed Stiegler's Gorge Dam'
'Preliminary investigation of the hydrology of Rukwa region'
'The climatology and hydrology of Pugu and Kazimzumbwi coastal forests'
J. J. Holroyd has written: 'Gisela'
J. J. Kariger has written: 'Elemente'
A. J. Sear has written: '\\'
J. J. Lamb has written: 'A nickel jackpot'
J. J. Ridge has written: 'Diet for the sick'
J. J. Sederholm has written: 'Selected works'
J. J. Colter has written: 'A gentle benefactress'
J. J. O'Kelly has written: 'O'Connell calling'
J. J. Shaw has written: 'The valley of Baboons'
J. Moorman has written: 'Finland'
J. A. Paris has written: 'Pharmacologia'
J. Thimbleby has written: 'Monadelphia'