| Frontispiece. Santiago Cathedral, Portico de la Gloria. |
| Vignette on Title-page, Segovia from the Alcazar. | Page |
| Compartment of Nave, Burgos Cathedral | 14 |
| 1. | Burgos Cathedral, North-west View (from Fergusson) | 25 |
| Varieties of Crockets, Burgos Cathedral | 28 |
| 2. | Burgos Cathedral, Clerestory of Choir | 29 |
| 3. | Burgos Cathedral, View of Cloisters from the roof | 30 |
| Carved Capital, Burgos Cathedral | 33 |
| Transept Chapel, Las Huelgas | 35 |
| 4. | Las Huelgas, Burgos, north-west view | 38 |
| 5. | San Esteban, Burgos, Interior looking west | 49 |
| San Esteban, Burgos, Iron Lectern | 50 |
| 6. | San Gil, Burgos, Iron Pulpit | 51 |
| Prie-Dieu, Palencia Cathedral | 59 |
| Steeple of San Miguel, Palencia | 62 |
| Cloister, Sta. Maria l’Antigua, Valladolid | 67 |
| 7. | Salamanca Old Cathedral, Interior of Lantern looking east | 80 |
| 8. | Salamanca Old Cathedral, Exterior of Lantern | 82 |
| Archivolt, San Martin, Salamanca | 91 |
| 9. | Zamora, Bridge over the Douro | 91 |
| 10. | Zamora Cathedral, Interior of Nave looking east | 92 |
| 11. | Zamora Cathedral, Exterior from the south-west | 94 |
| Choir Lectern, Zamora Cathedral | 96 |
| Monument, la Magdalena, Zamora | 98 |
| San Vicente, Zamora | 99 |
| 12. | Benavente, East End of Sta. Maria | 102 |
| 13. | Leon Cathedral, Interior of Aisle round the Apse | 108 |
| Bay of Choir, Leon Cathedral | 113 |
| Interior of San Isidoro, Leon, looking north-east | 123 |
| 14. | Leon, South Transept of San Isidoro | 126 |
| 15. | Lugo Cathedral, Interior, looking north-west | 132 |
| Sta. Maria, la CoruÑa | 137 |
| 16. | La CoruÑa, Church of Santiago | 138 |
| 17. | Santiago Cathedral, Interior of Lower Church | 147 |
| Exterior of Chevet, Santiago de Compostella | 149 |
| 18. | Santiago Cathedral, Shafts in South Doorway | 150 |
| Inscription on South Door, Santiago Cathedral | 151 |
| 19. | Santiago Cathedral, Interior of South Transept looking north-east | 152 |
| Central Shaft of Western Doorway, Santiago Cathedral | 154 |
| 20. | Medina del Campo, the Castle | 160 |
| Puerta de San Vicente, Avila | 163 |
| 21. | Avila Cathedral, Interior of Aisle round the Apse | 164 |
| East End, Avila Cathedral | 165 |
| Stone Roofing, Avila Cathedral | 168 |
| 22. | San Vicente, Avila, north-east view | 170 |
| 23. | San Vicente, Avila, Interior of Western Porch | 172 |
| 24. | Segovia, Interior of the Templars’ Church | 184 |
| 25. | San Esteban, Segovia, south-west view of Church and Steeple | 187 |
| 26. | San Millan, Segovia, north-west view | 188 |
| Capital in Cloister, San Martin, Segovia | 190 |
| Organ, AlcalÁ de Henares | 200 |
| Domestic Window, AlcalÁ de Henares | 201 |
| 27. | Guadalajara, Palace of the Duke del Infantado | 203 |
| 28. | SigÜenza Cathedral, Interior of Nave and Aisles looking north-east | 204 |
| San Cristo de la Luz, Toledo (from Fergusson) | 215 |
| 29. | Toledo, Interior of Sta. Maria la Blanca (from Fergusson) | 218 |
| Knocker and Nails on Door, Toledo | 222 |
| San Roman, Toledo | 225 |
| Sta. Magdalena, Toledo | 226 |
| Puerta del Sol, Toledo | 230 |
| Stone Roof of Outer Aisle and Chapels, Toledo Cathedral | 239 |
| 30. | Toledo Cathedral, Interior of Transept, &c., looking north-west | 241 |
| Diagrams of Vaulting, Toledo Cathedral | 243 |
| Chapels of the Chevet, Toledo Cathedral | 245 |
| 31. | Toledo Cathedral, Interior of North Aisle of Choir, looking east | 246 |
| 32. | Valencia Cathedral, North Transept and Cimborio (from Fergusson) | 263 |
| The Micalete, Valencia Cathedral | 264 |
| Puerta de Serranos, Valencia | 268 |
| 33. | Valencia, Exterior of the Casa Lonja | 270 |
| Ajimez Window, Valencia | 270 |
| Apse of Choir, Tarragona Cathedral | 277 |
| Newel Staircase, ditto | 278 |
| 34. | Tarragona Cathedral, View across Transepts | 280 |
| 35. | Tarragona Cathedral, Interior of Cloister | 282 |
| Sculptured Abacus in Cloister, Tarragona Cathedral | 284 |
| West Front of San Pablo, Barcelona | 293 |
| 36. | Barcelona Cathedral, Exterior of Chevet | 298 |
| 37. | Barcelona Cathedral, Interior of West End of Nave | 301 |
| 38. | Barcelona Cathedral, View of the Steeples, &c., from the Cloisters | 304 |
| Lock on Screen in Cloister, Barcelona Cathedral | 305 |
| 39. | Sta. Maria del Mar, Barcelona, south-west view | 308 |
| Interior of Sta. Agata, Barcelona | 312 |
| 40. | Barcelona, the Casa Consistorial | 314 |
| Ajimez Window, Barcelona | 315 |
| 41. | Gerona Cathedral, Interior looking east | 322 |
| Altar, Gerona Cathedral | 327 |
| Wheel of Bells, ditto | 328 |
| 42. | San Pedro, Gerona, Exterior from north-west | 330 |
| Spire of San Feliu, Gerona | 334 |
| 43. | Manresa, Interior of the Collegiate Church | 342 |
| Wheel of Bells, Manresa Collegiate Church | 345 |
| 44. | LÉrida Old Cathedral, View from Steeple | 353 |
| Cornice of South Transept Doorway, LÉrida Old Cathedral | 355 |
| 45. | LÉrida Old Cathedral, South Porch | 356 |
| Pendentive, &c., under Lantern, LÉrida Old Cathedral | 357 |
| Interior of San Pedro, Huesca | 366 |
| 46. | Church at Salas, near Huesca, West Front | 368 |
| Cloister, Tarazona | 381 |
| 47. | Tarazona, Campanile of La Magdalena | 382 |
| 48. | Abbey of Veruela, Entrance Gateway | 384 |
| 49. | Veruela Abbey Church, Interior | 386 |
| Chapel Altar, Veruela | 387 |
| Entrance to Chapter-house, Veruela | 388 |
| 50. | Tudela Cathedral, Interior of Choir | 392 |
| Angle of Cloister, Tudela | 397 |
| Castle, and Church of San Pedro, Olite | 400 |
| 51. | Pamplona Cathedral, Exterior from the north-east | 402 |
