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| Tartan Name | Renwick | | | | Category | Clan/Family | | | | Designer | Not Specified | STA Ref | 787 | | Date Recorded | Not Specified | STWR Ref | 787 |
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| Tartan Name | Repper (2017) | | | | Category | Name
| Reference | 12004 | | Designer | Marton Mills | | | | Date Recorded | 12/12/2017 | | |
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| Tartan Name | Résilience Enfance | | | | Category | Corporate
| Reference | 11911 | | Designer | Barbisan-Treffel MacKinnon, Jean-Mary | | | | Date Recorded | 06/09/2017 | | |
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| Tartan Name | Resolution | | | | Category | Corporate
| Reference | 12555 | | Designer | Hanson, Malcolm | | | | Date Recorded | 09/07/2019 | | |
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| Tartan Name | Retière, J (Personal) | | | | Category | Name
| Reference | 13760 | | Designer | Retière, Jean | | | | Date Recorded | 17/01/2023 | | |
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| Tartan Name | Revels Houston | | | | Category | Corporate
| Reference | 15219 | | Designer | Hargis, Chuck and Houston Kiltmakers | | | | Date Recorded | 27/01/2026 | | |
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| Tartan Name | Reykjavík Reflections | | | | Category | Fashion
| Reference | 11909 | | Designer | Martin, Carol A L | | | | Date Recorded | 06/09/2017 | | |
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| Tartan Name | Rheo Thompson Candies | | | | Category | Corporate
| Reference | 12414 | | Designer | Brown, Jonathan | | | | Date Recorded | 05/03/2019 | | |
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| Tartan Name | Rhode Island, State of | | | | Category | District
| | | | Designer | House of Edgar - Macnaughton Holdings Ltd. | STA Ref | 2659 | | Date Recorded | Not Specified | STWR Ref | 2659 |
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| Tartan Name | Rhys of Wales | | | | Category | Name
| | | | Designer | Daniel, Sheila | STA Ref | 5753 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Rice of Wales | | | | Category | Name
| | | | Designer | Daniel, Sheila | STA Ref | 5754 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Richard of Wales | | | | Category | Name
| | | | Designer | Daniel, Sheila | STA Ref | 5761 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Richardson | | | | Category | Name
| | | | Designer | Warren, Marjorie | STA Ref | 5948 | | Date Recorded | Not Specified | STWR Ref | none |
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