| photograph | Q125191 |
| P195 | collection | National Library of Wales | Q666063 |
| Photographs by John Thomas | Q21651637 | ||
| P170 | creator | John Thomas | Q3403561 |
| P180 | depicts | Harlech | Q1024935 |
| P2079 | fabrication method | analog photography | Q355516 |
| collodion process | Q904614 | ||
| digitization | Q843958 | ||
| P571 | inception | 1875-01-01 | |
| P2360 | intended public | seinen | Q237338 |
| P217 | inventory number | 003363208 | |
| P276 | location | National Library of Wales | Q85098865 |
| P186 | made from material | glass | Q11469 |
| photographic plate | Q1138868 | ||
| collodion | Q898735 | ||
| P361 | part of | Photographs by John Thomas | Q21651637 |