The Center for Islamic Studies in Istanbul has a vast database. Their PDFs are watermarked but available for academic use. Search their catalog for "Arseven, Celal Esad" and filter by "Eser no: 14."
It provides extensive detail on "Süsleme Sanatları" (Ornamental Arts), moving beyond just architecture to include traditional crafts. Finding Digital Versions (PDF) celal esad arseven sanat ansiklopedisi pdf 14 work
Though often cited as a 5-volume set, it was originally released in numerous fascicles (up to 9 for some editions), which were later bound. Key Thematic Pillars Terminology (Istılah): The Center for Islamic Studies in Istanbul has
Because this is a significant academic work, it is available in digital archives, though finding a single "14 work" PDF file might be a misinterpretation of the file structure. Finding Digital Versions (PDF) Though often cited as
Use the query: subject:"Celal Esad Arseven" AND mediatype:texts . While Volume 14 is rare here, user-uploaded collections occasionally appear. Look for "Sanat Ansiklopedisi 14. cilt" in the description.