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| Tartan Name | Tern House | | | | Category | Fashion
| Reference | 11247 | | Designer | Maitland, Christine A | | | | Date Recorded | 04/03/2015 | | |
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| Tartan Name | Terra School | | | | Category | Corporate
| Reference | 12684 | | Designer | Kloosterman, Valentina | | | | Date Recorded | 04/12/2019 | | |
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| Tartan Name | Terre D'Ecosse | | | | Category | Fashion
| | | | Designer | Not Specified | STA Ref | 6411 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Terre De'Ecosse | | | | Category | Corporate
| | | | Designer | Lochcarron of Scotland | STA Ref | 4037 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Terry | | | | Category | Clan/Family | | | | Designer | Terry, Thomas | STA Ref | 2204 | | Date Recorded | Not Specified | STWR Ref | 2204 |
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| Tartan Name | Teufel Hunden | | | | Category | Fashion
| Reference | 12294 | | Designer | Kleinsmith, Ricky | | | | Date Recorded | 13/11/2018 | | |
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| Tartan Name | Teviotdale | | | | Category | District
| | | | Designer | Buchan, Alistair | STA Ref | 5136 | | Date Recorded | Not Specified | STWR Ref | none |
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| Tartan Name | Texas Bluebonnet | | | | Category | District
| | | | Designer | MacRoberts, June | STA Ref | 852 | | Date Recorded | Not Specified | STWR Ref | 852 |
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| Tartan Name | Texas Lone Star | | | | Category | Fashion
| Reference | 10726 | | Designer | Davidson, Lanora | | | | Date Recorded | 26/10/2012 | | |
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| Tartan Name | Texas Tan | | | | Category | Corporate
| Reference | 14022 | | Designer | Texas Department of Public Safety | | | | Date Recorded | 29/08/2023 | | |
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| Tartan Name | Thain Dress #1 | | | | Category | Name
| | | | Designer | Not Specified | STA Ref | 1256 | | Date Recorded | Not Specified | STWR Ref | 1256 |
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| Tartan Name | Thatcher (2017) | | | | Category | Name
| Reference | 11987 | | Designer | Thatcher, Camaran | | | | Date Recorded | 21/11/2017 | | |
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| Tartan Name | Thayer USA | | | | Category | Name
| Reference | 10150 | | Designer | Thayer, Samuel Mifflin | | | | Date Recorded | 08/02/2010 | | |
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| Tartan Name | The McAlbourne | | | | Category | Corporate
| Reference | 10073 | | Designer | Kinloch Anderson | | | | Date Recorded | 11/09/2009 | | |
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| Tartan Name | The Red Hackle | | | | Category | Commemorative
| Reference | 10124 | | Designer | The House of Edgar | | | | Date Recorded | 05/01/2010 | | |
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| Tartan Name | The Sassenach | | | | Category | Fashion
| Reference | 12675 | | Designer | Campbell, Clare Prickly Thistle Scotland Ltd | | | | Date Recorded | 18/11/2019 | | |
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