Ground plan. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha'. Further annotation in pencil survives. The drawing is signed (W. Harvey) in the bottom right-hand corner.

Ground plan. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha, Plan'. Further annotation in pencil survives.

Roof plan. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha, Roof Plan'. Further annotation in pencil survives. The drawing is signed (W. Harvey) in the bottom right-hand corner.

Roof plan. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha, Roof Plan'. Further annotation in pencil survives.

Longitudinal section. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha'. It is labelled: 'Long Section Looking North'. Further annotation in pencil survives. The drawing is signed (W. Harvey) in the bottom right-hand corner.

Longitudinal section. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha', 'Long Section Looking North'. Further annotation in pencil survives.

Transverse section. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha', 'Section Looking East'. Further annotation in pencil survives.

Transverse section. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha'. It is labelled: 'Section Looking East'. Further annotation in pencil survives. The drawing is signed (W. Harvey) in the bottom right-hand corner.

North elevation. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha'. It is labelled: 'North Elevation'. Further annotation in pencil survives. The drawing is signed (W. Harvey) in the bottom right-hand corner.

North elevation. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha', 'North Elevation'. Further annotation in pencil survives.

East elevation. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha', 'East Elevation'. Further annotation in pencil survives.

East elevation. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha'. It is labelled: 'East Elevation'. Further annotation in pencil survives. The drawing is signed (W. Harvey) in the bottom right-hand corner.

Turkish plaster cornice. This is a preliminary drawing. It is labelled:'Mosque of Yacoub Pasha', 'Turkish Plaster Ornament Round Interior '. Further annotation in pencil survives. The drawing is signed (W. Harvey) in the bottom right-hand corner.

Turkish plaster cornice. This is a preliminary drawing. It is entitled:'Mosque of Yacoub Pasha', 'Turkish Plaster Ornament Round Interior '. Further annotation in pencil survives.

External pilaster (detail). This is a preliminary drawing. Further annotation in pencil survives.

Ground plan. The drawing is entitled: 'Church of S. Catherine', 'Thessalonica' No 1. It is labelled: 'A Plan of the Church'.

Ground plan. The drawing is entitled: 'Church of S. Catherine', 'Thessalonica' No 1. It is labelled: 'A Plan of the Church'.

Plan of the domes. The drawing is entitled: 'Church of S. Catherine', 'Thessalonica' No 2. It is labelled: 'A Plan Through Upper Part Of Church And Domes'.

Plan of the domes. The drawing is entitled: 'Church of S. Catherine', 'Thessalonica' No 2. It is labelled: 'A Plan Through Upper Part Of Church And Domes'.

Ground plan. This is a preliminary drawing. It is entitled: 'Church of S. Catherine', 'Thessalonica' No 1. It is labelled: 'A Plan of the Church'. Further annotation in pencil survives.

Transverse section (top) - Longitudinal section (bottom). The drawing is entitled: 'Church Of S. Catherine Thessalonica', No 3. It is labelled: 'Cross Section Through Church Looking East' and 'Longitudinal Section Through Church Looking North'.

Transverse section (top) - Longitudinal section (bottom). This is a preliminary drawing.It is entitled: 'Church Of S. Catherine Thessalonica', No 3. It is labelled: 'Cross Section Through Church Looking East' and 'Longitudinal Section Through Church Looking North'.

East elevation (top) - North elevation (bottom). This is a preliminary drawing. It is entitled: 'Church of S. Catherine Thessalonica' No 4. It is labelled: 'East Elevation', 'North Elevation'. Further annotation in pencil survives.

East elevation (top) - North elevation (bottom). This is a preliminary drawing. It is entitled: 'Church of S. Catherine Thessalonica' No 4. It is labelled: 'East Elevation', 'North Elevation'. Further annotation in pencil survives.

View from the north. The initials W.H. survive in pencil in the upper right-hand corner. Further annotation in pencil survives. See also no: 02/09/03/06 (BRF no 02/01/07/26)

View from the north. The initials W.H. survive in pencil in the upper right-hand corner. It is stamped: 'Copyright - The Byzantine Research & Publication Fund'. Further annotation in pencil survives at the back. See also no: 02/09/03/05 (BRF no 02/01/07/25).

View from north-east. The photograph is stamped at the back:'Copyright Robert W.S. Weir & The Byzantine Research & Publication Fund'. Further annotation in pencil survives.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.

View of the interior. Further annotation survives at the back of the photograph.