Lamp yr ysgol sul : a chydymaith y geiriadur ysgrythyrol.
APA Citation
Thomas, T. (1888). Lamp yr ysgol sul : a chydymaith y geiriadur ysgrythyrol. Wrexham: Hyghs and Son.
MLA Citation
Thomas, Thomas. Lamp Yr Ysgol Sul : a Chydymaith Y Geiriadur Ysgrythyrol. Wrexham: Hyghs and Son, 1888.
Warning: These citations may not always be complete (especially for serials).