The helpful science

Birds: theelements ofornithology; with 17...

Anintroductionto theelements ...

Lessons fromnature : asmanifestedin mind a...

The helpfulscience

1895

Lessons inelementaryanatomy[electron...

Thegroundworkof science,a study o...

Thegroundworkof science;a study o...

Contemporaryevolution :an essay onsome rece...

Birds: theelements ofornithology

1892

The cat : anintroductionto the studyof backbo...

Essays andcriticisms

1892

Americantypes ofanimal life

1894

Lessons fromnature, asmanifestedin mind a...

Under theban : acorrespond...between D...

ModernCatholicsandscientifi...

The RomanCatholicChurch andDr. St....

Types ofanimal life

1893

Lessons inelementaryanatomy

1883

The commonfrog

1874

The cat; anintroductionto the studyof backbo...

Lessons inelementaryanatomy /

1873

Nature andthought : anintroductionto a natu...

The originof humanreason,being an...

The originof humanreason :being an...

On thegenesis ofspecies

Genesis ofspecies

Contemporaryevolution.An essay onsome rece...

On the axialskeleton ofthePelecanidae

A monographof thelories, orbrush-ton...

Man and apes: anexpositionof...

Evolutionand itsconsequences: a reply...

Dogs,jackals,wolves, andfoxes : a...

On truth : asystematicinquiry

Man andapes, anexpositionof...

Dogs,jackals,wolves, andfoxes: a...

On truth; asystematicinquiry

Observationson theanatomy ofNycticebu...

On thegenesis ofthe species

Bushido, theSoul ofJapan

1899

The Ethicsof MedicalHomicide andMutilation

Studies onSlavery, inEasy Lessons

1852

The HiddenPower, andOther PapersUpon Ment...

SocialRights andDuties:Addresses...

A course oflecturesintroductoryto the st...

Innocenceandignorance

1917

Sermons :adapted toall theSundays a...

A history ofphilosophy

1890

Outlines ofthe historyof Greekphilosophy

Systems ofethics ..

1902

Philosophy

1927

Studies inpoetry andphilosophy

1868

AbhandlungenÜber DieFabel

1759

Jean-JacquesRousseau

L'ami:DialoguesIntérieurs

1933