Boars

Nutrition of Sows and Boars

W. H. Close

The Complete Pig (Country Life)

Sara Rath

Year of the pig

Mark J. Hainds

Wild boars

by Darrel Nicholson ; photographs by Craig Blacklock.

Bear boar

by Michelle Robinson ; illustrated by David Sim

Das Ebersignum im Germanischen: ein Beitrag zur germanischen Tier-Symbolik

Heinrich Beck

Boar selection guidelines for commercial producers

authors, K.J. Drewry, G.A. Isler, C.J. Christians ; reviewers, T.D. Tanksley, Jr., Virgil Rosendale, Vernon Floyd.

Pigs, tame and wild.

Written and illustrated by Olive L. Earle.

Boar selection guideines for commercial producers

authors, K.J. Drewry, G.A. Isler, C.J. Christians ; reviewers, T.D. Tanksley, Jr., Virgil Rosendale, Vernon Floyd

Morfologia espermàtica en porci = Morfología espermática en porcino = Morphology of boar spermatozoa

M. Durfort Coll, José Egozcue Cuixart