gates His Religion By The Sword.--
Voluntary Or Reluctant Submission Of The Arabs.--His Death
And Successors.--The Claims And Fortunes Of All And His
Descendants.

Chapter LI: Conquests By The Arabs.--Part I. Part II. Part III.
Part IV. Part V. Part VI. Part VII.

The Conquest Of Persia, Syria, Egypt, Africa, And Spain, By
The Arabs Or Saracens.--Empire Of The Caliphs, Or Successors
Of Mahomet.--State Of The Christians, &c., Under Their
Government.

Chapter LII: More Conquests By The Arabs.--Part I. Part II. Part
III. Part IV. Part V.

The Two Sieges Of Constantinople By The Arabs.--Their
Invasion Of France, And Defeat By Charles Martel.--Civil War
Of The Ommiades And Abbassides.--Learning Of The Arabs.--
Luxury Of The Caliphs.--Naval Enterprises On Crete, Sicily,
And Rome.--Decay And Division Of The Empire Of The Caliphs.
--Defeats And Victories Of The Greek Emperors.

Chapter LIII: Fate Of The Eastern Empire.--Part I. Part II. Part
III. Part IV.

Fate Of The Eastern Empire In The Tenth Century.--Extent And
Division.--Wealth And Revenue.--Palace Of Constantinople.--
Titles And Offices.--Pride And Power Of The Emperors.--
Tactics Of The Greeks, Arabs, And Franks.--Loss Of The Latin
Tongue.--Studies And Solitude Of The Greeks.

Chapter LIV: Origin And Doctrine Of The Paulicians.--Part I. Part
II.

Origin And Doctrine Of The Paulicians.--Their Persecution By
The Greek Emperors.--Revolt In Armenia &c.--Transplantation
Into Thrace.--Propagation In The West.--The Seeds,
Character, And Consequences Of The Reformation.

Chapter LV: The Bulgarians, The Hungarians And The Russians.--Part
I. Part II. Part III.

The Bulgarians.--Origin, Migrations, And Settlement Of The
Hungarians.--Their Inroads In The East And West.--The
Monarchy Of Russia.--Geography And Trade.--Wars Of The
Russians Against The Greek Empire.--Conversion Of The
Barbarians.

Chapter LVI: The Saracens, The Franks And The Normans.--Part I.
Part II. Part III. Part IV. Part V.

The Saracens, Franks, And Greeks, In Italy.--First
Adventures And Settlement Of The Normans.--Character And
Conquest Of Robert Guiscard, Duke Of Apulia--Deliverance Of
Sicily By His Brother Roger.--Victories Of Robert Over The
Emperors Of The East And West.--Roger, King Of Sicily,
Invades Africa And Greece.--The