The Oliver plow book

The Tractor Ploughing Manual

Plowman's folly

Os arados portugueses e as suas prováveis origens

Saga of the steam plough.

Power and the plow

耒耜經

Horse-hoeing husbandry

An essay on the mechanical principles of the plough

A supplementary note on the mould board

A supplementary note on the mould board described in a letter to Sir John Sinclair, of March 23, 1798

Lei si de qi yuan ji qi fa zhan

Jethro Wood, inventor of the modern plow.

The plowing match

Running Hare

Tractor ploughing.

Plowing resistances in the light of measurement of furrow slice pressure against the working surface of the plow bottom

The plowing match

The Oliver Plow Book: A Treatise on Plows and Plowing

Theory of surfaces of plow bottoms

The horse hoeing husbandry, or, A treatise on the principles of tillage and vegetation

Die historischen Pflüge der Hohenheimer Sammlung landwirtschaftlicher Geräte und maschinen

Oraće sprave u Hrvata

Die Geschichte des schwedischen Pfluges

Ploughs and Ploughing

Theory of surfaces of plow bottoms

Az eke és a szántás története Magyarországon

Az eke és a szántás története Magyarországon

Stock-drawn equipment for trail work

Plowman's folly

Plows & planting implements

Plows and plowing

Orka, pług, uprawy bezorkowe

The Running Hare: The Secret Life of Farmland

The diffusion of the ox-plough innovation in Longuda District of Gongola State, Nigeria

Power and the plow

Geschichte des Pfluges

Ard og plov i Nordens oldtid

Arados de reja y vertedera

Report on the trial of plows