File:Signature of Johannes Christoffel Krogh.jpg
Signature_of_Johannes_Christoffel_Krogh.jpg (135 × 87 pixels, file size: 6 KB, MIME type: image/jpeg)
Signature_of_Johannes_Christoffel_Krogh.jpg (135 × 87 pixels, file size: 6 KB, MIME type: image/jpeg)