''OPUS MAJUS'' OF ROGER BACON (HB)

''OPUS MAJUS'' OF ROGER BACON (PB)

EXPERIMENTAL SCIENCE (PB)

FR. ROGERI BACON OPERA QU DAM HACTENUS I (HB)

FR. ROGERI BACON OPERA QU'DAM HACTENUS INEDITA

FR. ROGERI BACON OPERA QU'DAM HACTENUS INEDITA (PB)

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA (HB)

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA (HB)

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA (HB)

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA, ED. BY J.S. BREWER

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA, ED. BY J.S. BREWER (HB)

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA. VOL. I. CONTAINING I.--OPUS TERTIUM. II.--OPUS MINUS. III.--COMPENDIUM PHILOSOPHIAE

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA. VOL. I. CONTAINING I.--OPUS TERTIUM. II.--OPUS MINUS. III.--COMPENDIUM PHILOSOPHIAE

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA. VOL. I. CONTAINING I.--OPUS TERTIUM. II.--OPUS MINUS. III.--COMPENDIUM PHILOSOPHIAE

FR. ROGERI BACON OPERA QUAEDAM HACTENUS INEDITA. VOL. I. CONTAINING I.--OPUS TERTIUM. II.--OPUS MINUS. III.--COMPENDIUM PHILOSOPHIAE - PRIMARY SOURCE

FR. ROGERI BACON OPERA QUD\25A1AM HACTENUS INEDITA. VOL. I. CONTAINING I.--OPUS TERTIUM. II.--OPUS MINUS. III.--COMPENDIUM PHILOSOPHI.\25A1

FRATIS ROGERI BACON, ORDINIS MINORUM, OPUS MAJUS AD CLEMENTEM QUARTUM, PONTIFICEM ROMANUM

FRATIS ROGERI BACON, ORDINIS MINORUM, OPUS MAJUS AD CLEMENTEM QUARTUM, PONTIFICEM ROMANUM (HB)

FRATIS ROGERI BACON, ORDINIS MINORUM, OPUS MAJUS AD CLEMENTEM QUARTUM, PONTIFICEM ROMANUM...

FRATRIS ROGERI BACON ... OPUS MAJUS AD CLEMENTEM QUARTUM PONTIFICEM ROMANUM EX MS. CODICE DUBLINIENSI, CUM ALIIS QUIBUSDAM COLLATO, NUNC PRIMUM EDIDIT ...

FRATRIS ROGERI BACON COMPENDIUM STUDII THEOLOGIAE

FRATRIS ROGERI BACON COMPENDIUM STUDII THEOLOGIAE - PRIMARY SOURCE EDITION

FRATRIS ROGERI BACON COMPENDIUM STUDII THEOLOGIAE, VOL. 3 (CLASSIC REPRINT) (PB)

FRATRIS ROGERI BACON, ORDINIS MINORUM, O (HB)

FRATRIS ROGERI BACON, ORDINIS MINORUM, OPUS MAJUS AD CLEMENTEM QUARTUM, PONTIFICEM ROMANUM. EX MS. CODICE DUBLINIENSI, CUM ALIIS QUIBUSDAM COLLATO, NUNC PRIMUM EDITIT S. JEBB, M.D.

MATHEMATICS (PB)

MORAL PHILOSOPHY (PB)

MOST FAMOUS HISTORY OF THE LEARNED FRYER BACON ... ALSO THE MERRY WAGGERIES OF HIS MAN MILES (PB)

OF NATURAL AND SUPERNATURAL THINGS, ALSO, OF THE FIRST TINCTURE, ROOT, AND SPIRIT OF METALS AND MINERALS, OF THE MEDICINE OR TINCTURE OF ANTIMONY AND A WORK OF SATURN (HB)

OF NATURAL AND SUPERNATURAL THINGS, OF THE FIRST TINCTURE, ROOT, AND SPIRIT OF METALS AND MINERALS, OF THE MEDICINE OR TINCTURE OF ANTIMONY AND A WORK

OPERA HACTENUS INEDITA ROGERI BACONI

OPERA HACTENUS INEDITA ROGERI BACONI

OPERA HACTENUS INEDITA ROGERI BACONI (CLASSIC REPRINT)

OPERA HACTENUS INEDITA ROGERI BACONI VOLUME 1

OPERA HACTENUS INEDITA ROGERI BACONI VOLUME 1

OPERA HACTENUS INEDITA ROGERI BACONI VOLUME 2

OPERA HACTENUS INEDITA ROGERI BACONI VOLUME 3

OPERA HACTENUS INEDITA ROGERI BACONI VOLUME 4

OPERA HACTENUS INEDITA ROGERI BACONI, VOL. 10 (PB)

OPERA HACTENUS INEDITA ROGERI BACONI, VOL. 13 (PB)

OPERA HACTENUS INEDITA ROGERI BACONI... VOLUME 1

OPERA HACTENUS INEDITA ROGERI BACONI; VO (PB)

OPERA HACTENUS INEDITA ROGERI BACONI; VOLUME 1 (HB)

OPERA HACTENUS INEDITA;

OPERA HACTENUS INEDITA; VOLUME 5

OPERA HACTENUS INEDITA; VOLUME 5

OPERA HACTENUS INEDITA; VOLUME PT. 6-7

OPERA QUAEDAM HACTENUS INEDITA. V.1-

OPTICAL SCIENCE (PB)

OPUS MAJUS (HB)

OPUS MAJUS, VOLUMES 1 AND 2

PART OF THE OPUS TERTIUM OF ROGER BACON, INCLUDING A FRAGMENT NOW PRINTED FOR THE FIRST TIME VOLUME 4

PART OF THE OPUS TERTIUM OF ROGER BACON, INCLUDING A FRAGMENT NOW PRINTED FOR THE FIRST TIME VOLUME 4

PART OF THE OPUS TERTIUM OF ROGER BACON, INCLUDING A FRAGMENT NOW PRINTED FOR THE FIRST TIME...

PHILOSOPHY (PB)

ROGER BACON

ROGER BACON

ROGER BACON AND THE ORIGINS OF PERSPECTIVA IN THE MIDDLE AGES (HB)

ROGER BACON'S LETTER (PB)

ROGER BACON'S LIFE AND WORK (PB)

ROGER BACON'S PHILOSOPHY OF NATURE (HB)

ROGER BACON'S SELECTED OCCULT WRITINGS (PB)

ROGER BACON...

ROOT OF THE WORLD AND MAGICAL LETTER (PB)

THE ''OPUS MAJUS'' OF ROGER BACON (VOLUME (PB)

THE ''OPUS MAJUS'' OF ROGER BACON: ED., WI (HB)

THE ''OPUS MAJUS'' OF ROGER BACON: ED., WI (HB)

THE ''OPUS MAJUS'' OF ROGER BACON: ED., WITH INTRODUCTION AND ANALYTICAL TABLE; VOLUME 2 (PB)

THE 'OPUS MAJUS' ......

THE 'OPUS MAJUS' OF ROGER BACON

THE 'OPUS MAJUS' OF ROGER BACON

THE 'OPUS MAJUS' OF ROGER BACON

THE 'OPUS MAJUS' OF ROGER BACON

THE 'OPUS MAJUS' OF ROGER BACON (1)

THE 'OPUS MAJUS' OF ROGER BACON - PRIMARY SOURCE EDITION

THE 'OPUS MAJUS' OF ROGER BACON, ED, VOLUME 1...

THE 'OPUS MAJUS' OF ROGER BACON, ED, VOLUME 1...

THE 'OPUS MAJUS' OF ROGER BACON, ED, VOLUME 2...

THE 'OPUS MAJUS' OF ROGER BACON, ED, VOLUME 2...

THE ?OPUS MAJUS'' OF ROGER BACON, VOLUME (PB)

THE ?OPUS MAJUS'' OF ROGER BACON, VOLUME (PB)

THE ?OPUS MAJUS? OF ROGER BACON, VOLUME (PB)

THE CAUSES OF ERROR (PB)

THE CHRONICLES AND MEMORIALS OF GREAT BRITAIN AND IRELAND DURING THE MIDDLE AGES

THE CHRONICLES AND MEMORIALS OF GREAT BRITAIN AND IRELAND DURING THE MIDDLE AGES

THE CHRONICLES AND MEMORIALS OF GREAT BRITAIN AND IRELAND DURING THE MIDDLE AGES (HB)

THE CURE OF OLD AGE, AND PRESERVATION OF YOUTH (PB)

THE CURE OF OLD AGE, AND PRESERVATION OF YOUTH VOLUME 1-2

THE GREEK GRAMMAR OF ROGER BACON AND A F (PB)

THE GREEK GRAMMAR OF ROGER BACON AND A FRAGMENT OF HIS HEBREW GRAMMAR

THE GREEK GRAMMAR OF ROGER BACON AND A FRAGMENT OF HIS HEBREW GRAMMAR

THE GREEK GRAMMAR OF ROGER BACON AND A FRAGMENT OF HIS HEBREW GRAMMAR. EDITED FROM THE MSS WITH INTROD. AND NOTES BY EDMOND NOLAN AND S.A. HIRSCH

THE GREEK GRAMMAR OF ROGER BACON AND A FRAGMENT OF HIS HEBREW GRAMMAR...

THE GREEK GRAMMAR OF ROGER BACON AND A FRAGMENT OF HIS HEBREW GRAMMAR;

THE GREEK GRAMMAR OF ROGER BACON AND A FRAGMENT OF HIS HEBREW GRAMMAR;

THE GREEK GRAMMAR OF ROGER BACON AND A FRAGMENT OF HIS HEBREW GRAMMAR; (HB)

THE LETTER OF ROGER BACON CONCERNING THE MARVELOUS POWER OF ART AND NATURE AND THE NULLITY OF MAGIC (PB)

THE MIRROR OF ALCHEMY COMPOSED BY THE FAMOUS FRIAR ROGER BACON SOMETIME FELLOW OF MARTIN COLLEGE AND BRASEN-NASE COLLEGE IN OXENFORDE (PB)

THE MIRROR OF ALCHIMY (CLASSIC REPRINT)

THE OPUS MAJUS OF ROGER BACON (HB)

THE OPUS MAJUS OF ROGER BACON (PB)

THE OPUS MAJUS OF ROGER BACON (PB)

THE OPUS MAJUS OF ROGER BACON 2 VOLUME PAPERBACK SET

THE OPUS MAJUS OF ROGER BACON: VOLUME 1

THE OPUS MAJUS OF ROGER BACON: VOLUME 2

THE STUDY OF TONGUES (PB)

UN FRAGMENT INEDIT DE L'OPUS TERTIUM DE ROGER BACON

UN FRAGMENT INEDIT DE L'OPUS TERTIUM DE ROGER BACON

VERAE ALCHEMIAE ARTIS'QVE METALLICAE CITRA AENIGMATA, DOCTRINA, CERTVS'QVE MODUS, SCRIPTIS TUM NOUIS TUM UETERIBUS NUNC PRIMUM & FIDELITER MAIORI EX PARTE EDITIS, COMPREHENSUS