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| Tartan Name | Rennie (Personal) | | | | Category | Name
| | | | Designer | MacDonald, Peter | STA Ref | 716 | | Date Recorded | Not Specified | STWR Ref | 716 |
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| Tartan Name | Renton (Personal) | | | | Category | Name
| | | | Designer | Urquhart, Blair | STA Ref | 7192 | | Date Recorded | Not Specified | STWR Ref | none |
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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 | Retière, J (Personal) | | | | Category | Name
| Reference | 13760 | | Designer | Retière, Jean | | | | Date Recorded | 17/01/2023 | | |
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| Tartan Name | Rikaco Morning Dew #2 | | | | Category | Fashion
| | | | Designer | Lochcarron of Scotland | STA Ref | 6392 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Rivière-du-Loup 1673 | | | | Category | District
| Reference | 13751 | | Designer | Cercle de Fermières, Rivière-du-Loup | | | | Date Recorded | 17/01/2023 | | |
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| Tartan Name | Roach (2015) | | | | Category | Name
| Reference | 11251 | | Designer | Ronald Roach | | | | Date Recorded | 12/03/2015 | | |
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| Tartan Name | Rob Roy (Film) | | | | Category | Corporate
| | | | Designer | Covell, Gordon | STA Ref | 7026 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Robb (Personal) | | | | Category | Name
| | | | Designer | MacDonald, Peter | STA Ref | 3157 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Robb Red (Personal) | | | | Category | Name
| | | | Designer | MacDonald, Peter | STA Ref | 3158 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Robberstad #2 | | | | Category | Name
| | | | Designer | John Robberstad from Auburn, Washington, USA. | STA Ref | none | | Date Recorded | Not Specified | STWR Ref | 3106 |
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