Immortality

Free to read here, from Project Gutenberg.

Tragic Sense Of Life

Miguel de Unamuno

Human Personality and Its Survival of Bodily Death

F. W. H. Myers

The Belief in Immortality and the Worship of the Dead, Volume 2 (of 3)

James George Frazer

The Belief in Immortality and the Worship of the Dead, Volume 1 (of 3)

James George Frazer

Del sentimiento trágico de la vida

Miguel de Unamuno, also an audiobook

Spanish

The ancient Egyptian doctrine of the immortality of the soul

Alfred Wiedemann

Pagan Ideas of Immortality During the Early Roman Empire

Clifford Herschel Moore

Our Eternity

Maurice Maeterlinck

Today is Forever

Roger D. Aycock

The unseen universe

Balfour Stewart and Peter Guthrie Tait

The Immortals

David Duncan

The little book of life after death

Gustav Theodor Fechner

The Mansion

Henry Van Dyke

The inner house

Walter Besant

Is Life Worth Living Without Immortality?

M. M. Mangasarian

The Destiny of Man, Viewed in the Light of His Origin

John Fiske

Life Everlasting

John Fiske

Das Büchlein vom Leben nach dem Tode

Gustav Theodor Fechner

German

The return of the tripeds

Neil R. Jones

The Mansion

Henry Van Dyke

Second Childhood

Clifford D. Simak

The secret of life, death and immortality

Henry Fleetwood

East in the Morning

David E. Fisher

World of the Mad

Poul Anderson

Eternal Life

Henry Drummond

Miss Ludington's Sister

Edward Bellamy

The Jewel of Bas

Leigh Brackett, also an audiobook

The Timeless Ones

Frank Belknap Long

The Last Monster

Gardner F. Fox

Immortality proved by the testimony of sense

Abraham Cummings

The Egyptian Conception of Immortality

George Andrew Reisner

An Essay on the Scriptural Doctrine of Immortality

James Challis

Kuolema ja kuolematon

Arthur Schopenhauer

Finnish

Slave of eternity

Roger D. Aycock

Purple Forever

Jack Lewis

Halftripper

Mack Reynolds

What Shall It Profit?

Poul Anderson

Flaxius

Charles Godfrey Leland

Quest on Phoebe

James R. Adams

Buccaneer of the Star Seas

Ed Earl Repp, also an audiobook

Until Life Do Us Part

Winston K. Marks

The mordant

Merab Eberle