| [DODWELL, EDWARD] | [DORLÉANS, LOUIS] |
| [DODWELL, HENRY] | [DORMER] |
| [DOG] | [DORMITORY] |
| [DOGE] | [DORMOUSE] |
| [DOG-FISH] | [DORNBIRN] |
| [DOGGER BANK] | [DORNBURG] |
| [DOGGETT THOMAS] | [DORNER, ISAAC AUGUST] |
| [DOGMA] | [DORNOCH] |
| [DOGMATIC THEOLOGY] | [DOROHOI] |
| [DOGRA] | [DOROTHEUS] |
| [DOGS, ISLE OF] | [D’ORSAY, ALFRED GUILLAUME GABRIEL] |
| [DOG-TOOTH] | [DORSET, EARLS, MARQUESSES AND DUKES OF] |
| [DOGWOOD] | [DORSETSHIRE] |
| [DOL] | [DORSIVENTRAL] |
| [DOLABELLA, PUBLIUS CORNELIUS] | [DORT, SYNOD OF] |
| [DOLBEN, JOHN] | [DORTMUND] |
| [DOLCE, LUDOVICO] | [DORY] |
| [DOLCI, CARLO] | [DOSITHEUS MAGISTER] |
| [DOLDRUMS] | [DOSSAL] |
| [DÔLE] | [DOSSERET] |
| [DOLE] | [DOST MAHOMMED KHAN] |
| [DOLERITE] | [DOSTOIEVSKY, FEODOR MIKHAILOVICH] |
| [DOLET, ÉTIENNE] | [DOUAI] |
| [DOLGELLEY] | [DOUARNENEZ] |
| [DOLGORUKI, VASILY LUKICH] | [DOUBLE] |
| [DOLHAIN] | [DOUBLE BASS] |
| [DOLICHOCEPHALIC] | [DOUBLEDAY, ABNER] |
| [DOLL] | [DOUBLEDAY, THOMAS] |
| [DOLLAR] (town of Scotland) | [DOUBLET] |
| [DOLLAR] (money) | [DOUBS] (river of France) |
| [DOLLING, ROBERT WILLIAM RADCLYFFE] | [DOUBS] (department of France) |
| [DÖLLINGER, JOHANN JOSEPH IGNAZ VON] | [DOUCE, FRANCIS] |
| [DOLLOND, JOHN] | [DOUGLAS] |
| [DOLMAN] | [DOUGLAS, SIR CHARLES] |
| [DOLNJA TUZLA] | [DOUGLAS, GAVIN] |
| [DOLOMIEU, TANCRÈDE GRATET DE] | [DOUGLAS, SIR HOWARD] |
| [DOLOMITE] | [DOUGLAS, JOHN] |
| [DOLOMITES, THE] | [DOUGLAS, STEPHEN ARNOLD] |
| [DOLPHIN] | [DOUGLAS] (capital of the Isle of Man) |
| [DOMAT JEAN] | [DOUGLAS] (village of Scotland) |
| [DOMBES] | [DOUGLASS, FREDERICK] |
| [DOMBROWSKI, JAN HENRYK] | [DOUKHOBORS] |
| [DOME] | [DOULLENS] |
| [DOMENICHINO ZAMPIERI] | [DOULTON, SIR HENRY] |
| [DOMESDAY BOOK] | [DOUMER, PAUL] |
| [DOMESTIC RELATIONS] | [DOUMIC, RENÉ] |
| [DOMETT, ALFRED] | [DOUNE] |
| [DOMFRONT] | [DOURO] |
| [DOMICILE] | [DOUROUCOULI] |
| [DOMINIC, SAINT] | [DOUSA, JANUS] |
| [DOMINICA] | [DOUVILLE, JEAN BAPTISTE] |
| [DOMINICANS] | [DOUW GERHARD] |
| [DOMINIS, MARCO ANTONIO DE] | [DOVE] (river of England) |
| [DOMINOES] | [DOVE] (bird) |
| [DOMINUS] | [DOVER, GEORGE JAMES WELBORE AGAR-ELLIS] |
| [DOMITIAN] | [DOVER, HENRY JERMYN] |
| [DOMRÉMY-LA-PUCELLE] | [DOVER, ROBERT] |
| [DON] (river of Russia) | [DOVER] (capital of Delaware, U.S.A.) |
| [DON] (river of Scotland) | [DOVER] (borough of Kent, England) |
| [DONAGHADEE] | [DOVER] (city of New Hampshire, U.S.A.) |
| [DONALDSON, SIR JAMES] | [DOVER] (town of New Jersey, U.S.A.) |
| [DONALDSON, JOHN WILLIAM] | [DOVERCOURT] |
| [DONATELLO] | [DOW, LORENZO] |
| [DONATI, GIOVANNI BATTISTA] | [DOW, NEAL] |
| [DONATIO MORTIS CAUSA] | [DOWAGER] |
| [DONATION OF CONSTANTINE] | [DOWDEN, EDWARD] |
| [DONATISTS] | [DOWDESWELL, WILLIAM] |
| [DONATUS, AELIUS] | [DOWER] |
| [DONAUWÖRTH] | [DOWIE, JOHN ALEXANDER] |
| [DON BENÍTO] | [DOWLAS] |
| [DONCASTER] | [DOWN] (county of Ireland) |
| [DON COSSACKS, TERRITORY OF THE] | [DOWN] (smooth rounded hill) |
| [DONEGAL] (county of Ireland) | [DOWNES ANDREW] |
| [DONEGAL] (town of Ireland) | [DOWNING, SIR GEORGE] |
| [DONELSON, FORT] | [DOWNMAN, JOHN] |
| [DONGA] | [DOWNPATRICK] |
| [DONGOLA] (province of Sudan) | [DOWNS] |
| [DONGOLA] (town of Sudan) | [DOWNSHIRE, WILLS HILL] |
| [DONIZETTI, GAETANO] | [DOWRY] |
| [DONJON] | [DOWSER and DOWSING] |
| [DON JUAN] | [DOXOLOGY] |
| [DONKIN, SIR RUFANE SHAW] | [DOYEN, GABRIEL FRANÇOIS] |
| [DONNAY, CHARLES MAURICE] | [DOYLE, SIR ARTHUR CONAN] |
| [DONNE, JOHN] | [DOYLE, SIR FRANCIS HASTINGS CHARLES] |
| [DONNYBROOK] | [DOYLE, JOHN ANDREW] |
| [DONOSO CORTÉS, JUAN] | [DOYLE, RICHARD] |
| [DONOVAN, EDWARD] | [DOZSA, GYÖRGY] |
| [DOOM] | [DOZY, REINHART PIETER ANNE] |
| [DOON DE MAYENCE] | [DRACAENA] |
| [DOOR] | [DRACHMANN, HOLGER HENRIK HERBOLDT] |
| [DOORWAY] | [DRACO] (Athenian statesman) |
| [DOPPLERITE] | [DRACO] (constellation) |
| [DORAN, JOHN] | [DRACONTIUS, BLOSSIUS AEMILIUS] |
| [DORAT, CLAUDE JOSEPH] | [DRAFTED MASONRY] |
| [DORCHESTER, DUDLEY CARLETON] | [DRAG] |
| [DORCHESTER, GUY CARLETON] | [DRAGASHANI] |
| [DORCHESTER] (town of England) | [DRAGOMAN] |
| [DORCHESTER] (village of England) | [DRAGOMIROV, MICHAEL IVANOVICH] |
| [DORCHESTER] (district of Boston, U.S.A.) | [DRAGON] |
| [DORDOGNE] (river of France) | [DRAGONETTI, DOMENICO] |
| [DORDOGNE (department of France)] | [DRAGON-FLY] |
| [DORDRECHT] | [DRAGON’S BLOOD] |
| [DORÉ, LOUIS AUGUSTE GUSTAVE] | [DRAGOON] |
| [DORIA, ANDREA] | [DRAGUIGNAN] |
| [DORIANS] | [DRAINAGE OF LAND] |
| [DORIA-PAMPHILII-LANDI] | [DRAKE, SIR FRANCIS] |
| [DORION, SIR ANTOINE AIMÉ] | [DRAKE, NATHAN] |
| [DORIS] | [DRAKENBORCH, ARNOLD] |
| [DORISLAUS, ISAAC] | [DRAKENSBERG] |
| [DORKING] | [DRAMA] (part) |