Documenting and cataloging a collection of porcelain sculptures requires precision and care to preserve their artistic and historical value. Here are the most effective methods:

1. High-Quality Photography: Capture detailed images from multiple angles under proper lighting to highlight textures, colors, and craftsmanship. Include a scale reference for size.

2. Detailed Descriptions: Record dimensions, glaze types, maker’s marks, and provenance. Note any damage or restoration work to maintain transparency.

3. Digital Cataloging Tools: Use specialized software like Artwork Archive or Excel to organize data. Include fields for acquisition dates, valuations, and exhibition history.

4. Condition Reports: Regularly update records on the sculptures' state, noting environmental factors like humidity or light exposure that may affect longevity.

5. Physical Labels: Attach acid-free tags with inventory numbers to each piece, ensuring they don’t damage delicate surfaces.

6. Secure Storage: Store documentation in cloud-based backups and physical copies in archival-quality sleeves to prevent loss.

By implementing these steps, collectors can safeguard their porcelain sculptures while making the collection accessible for research, insurance, or future sales.