WHEN THE BIRDS FLY THE SKY FLIES (double page plate, folios 10 and 11) from SEGNI E VIBRAZIONI

THE FIRE IN THE SKY (double page plate, folios 12 and 13) from SEGNI E VIBRAZIONI

SIGNS AND VIBRATIONS (double page plate, folios 8 and 9) from SEGNI E VIBRAZIONI

SHADOWS APPEAR IN THE VOID AND OTHERS DISAPPEAR IN THE SKY (double page plate, folios 6 and 7) from SEGNI E VIBRAZIONI

VIBRATIONS OF SUPERIMPOSED LINES (double page plate, folios 4 and 5) from SEGNI E VIBRAZIONI

THE SKY (plate, folio 3) from SEGNI E VIBRAZIONI

Double page plate (folios 5 verso and 6) from Ouzel

Double page plate (folios 3 verso and 4) from Ouzel

Double page plate (folios 9 verso and 10) from Ouzel

Double page plate (folios 15 verso and 16) from Ouzel

Double page plate (folios 7 verso and 8) from Ouzel

Double page plate (folios 13 verso and 14) from Ouzel

Double page plate (folios 11 verso and 12) from Ouzel

Double page plate (folios 9 and 10 verso) from Ouzel

A. SPANISH ELEGY (double page in-text plate, folios 53 verso and 54) from TRES POEMAS/THREE POEMS

MEXICO CITY PERSONAGES III (double page in-text plate, folios 45 verso and 46) from TRES POEMAS/THREE POEMS

MEXICO CITY PERSONAGES I (double page in-text plate, folios 38 verso and 39) from TRES POEMAS/THREE POEMS

MEXICO CITY PERSONAGES II (double page in-text plate, folios 41 verso and 42) from TRES POEMAS/THREE POEMS

Double page plate (pages 46 and 47) from Eureka: An Essay on the Material and Spiritual Universe

Double page plate (pages 82 and 83) from Eureka: An Essay on the Material and Spiritual Universe

Double page plate (pages 10 and 11) from Eureka: An Essay on the Material and Spiritual Universe

Double page plate (pages 22 and 23) from Eureka: An Essay on the Material and Spiritual Universe

Double page plate (pages 58 and 59) from Eureka: An Essay on the Material and Spiritual Universe

Double page plate (pages 34 and 35) from Eureka: An Essay on the Material and Spiritual Universe

Double page plate (pages 94 and 95) from Eureka: An Essay on the Material and Spiritual Universe