These drawings were made on pages 12 & 5, and pages 28 & 21 of a book on astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The pages themselves have engravings and marginalia that Macia has incorporated into his new images. Macia related that he was inspired to make these drawings after visiting the Sackner Archive and viewing Tom Phillips' A Humument. -- Source of annotation: Marvin or Ruth Sackner.

These drawings were made on pages 68 & 89, and pages 112 & 15?] of a book on astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The pages themselves have engravings and marginalia that Macia has incorporated into his new images. -- Source of annotation: Marvin or Ruth Sackner.

These drawings were made on pages 32 & 17, and pages 42 & 39 of a book on astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The pages themselves have engravings and marginalia that Macia has incorporated into his new images. The relief elements were cut from other pages in the book. -- Source of annotation: Marvin or Ruth Sackner.

These drawings were made on pages 110 & 99, and pages 70 & 75 of a book on astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The main image in the upper drawing is a spider; Macia has created its web by repetitive writing of a poem by e.e. cummings, when skies are, in an almost micrographic style. -- Source of annotation: Marvin or Ruth Sackner.

These drawings were made on pages 46 & 35, and pages 54[?] & 61 of a book on astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The pages themselves have engravings and marginalia that Macia has incorporated into his new images. The upper drawing depicts Macia's conception of the Tower of Babel. -- Source of annotation: Marvin or Ruth Sackner.

These drawings were made on pages 12 & 5, and pages 28 & 21 of a book on an astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The pages themselves have engravings and marginalia that Macia has incorporated into his new images. -- Source of annotation: Marvin or Ruth Sackner.

This drawing was made on pages 151 & 152 as well as a page near the title page of a book on astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were hidden by mounting them to a sheet of gold leaf. The title page with three adjacent pages within the two pages have termite holes not concealed with gold leaf. The pages themselves have engravings that Macia has incorporated into his new image. -- Source of annotation: Marvin or Ruth Sackner.

These drawings were made on pages 152 & 153 and the title and preface pages of a book on astronomy by Joannis de Sacro Bosco, Spaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The pages themselves have engravings and marginalia that Macia has incorporated into his new images. -- Source of annotation: Marvin or Ruth Sackner.

This drawing was made on pages 192 & 177 of a book on astronomy by Joannis de Sacro Bosco, Sphaera, Lyon France, 1564. The original pages were perforated by termite holes that were filled with gold leaf. The pages themselves have engravings that Macia has incorporated into a new image. -- Source of annotation: Marvin or Ruth Sackner.