One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows a "St. Joseph's Church, Aylesbury."

One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows a section of a domed church.

One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows an aerial view of a church plan.

One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows an aerial view of a church plan.

One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows a "St. Joseph's Church, Aylesbury."

One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows an exterior of a church as well as a structural detail.

One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows an exterior aerial view of a church.

One of 9 sheets of sketches of churches, only one (St. Joseph's Church, Aylesbury) identified. This sketch shows an aerial view of floor plans.

Floor plan sketch for "Miss Horneman's House," annotated, dated and signed by Gill.

A letter said to be regarding the building of Miss Horneman's House, addressed to Gill, with instructions on room measurements.