| RefNo | Title | Source |
| DF/BOT/404/2/16 | Litigation over the Welwitsch Collection: miscellaneous legal documents | |
| DF/BOT/404/2/13 | Litigation over the Welwitsch Collection: miscellaneous legal documents | |
| DF/BOT/404/2/3 | Litigation over the Welwitsch Collection: Bill of complaint, printed | |
| DF/BOT/404/2/15 | Litigation over the Welwitsch Collection : miscellaneous legal documents | |
| DF/BOT/405/1 | Correspondence of Henry Trimen on the Welwitsch case | |
| DF/BOT/404/2/5 | Litigation over the Welwitsch Collection : The answer of the defendants to the bill of complaint | |
| DF/BOT/404/2/19 | Litigation over the Welwitsch Collection: the decree | |
| DF/BOT/440/1/2 | Britten, James: Letters on the Welwitsch Collection of African plants from Dr Hans Schinz and W P Hiern | |
| DF/BOT/404/2/9 | Litigation over the Welwitsch Collection: affidavits on the part of the defendants, with copies of exhibits referred to | |
| DF/BOT/404/2/17 | Litigation over the Welwitsch Collection: proposals and negotiations for compromise | |
| DF/BOT/404/2/21 | Litigation over the Welwitsch Collection: newspaper cuttings | |
| DF/BOT/404/2/7 | Litigation over the Welwitsch Collection: admissions on the part of the plaintiff and defendants | |
| DF/BOT/404/2/4 | Litigation over the Welwitsch Collection: Interrogatories for the examination of the defendants in answer to the plaintiff's bill of complaint | |
| DF/BOT/404/2/18 | Litigation over the Welwitsch Collection: transcripts of court proceedings | |
| DF/BOT/404/2/25 | Litigation over the Welwitsch Collection: notes on the division and transfer of the collection | |
| DF/BOT/404/1/8/20 | Welwitsch | |
| DF/BOT/404/2/22 | Litigation over the Welwitsch Collection: correspondence of Messrs Allen and Son, lawyers for the defendants | |
| DF/BOT/404/2/14 | Litigation over the Welwitsch Collection: miscellaneous legal documents | |
| DF/BOT/404/2/10 | Litigation over the Welwitsch Collection : Affidavits on the part of the defendants, Printed | |
| DF/BOT/404/2/6 | Litigation over the Welwitsch Collection: The answer of the defendants to the bill of complaint, printed | |
| DF/BOT/404/2/2 | Litigation over the Welwitsch Collection: Letters and other documents of Friedrich Welwitsch referred to in the case | |
| DF/BOT/404/2/8 | Litigation over the Welwitsch Collection: Admissions on the part of the plaintiff and defendants and documents there referred to | |
| DF/BOT/404/2/1 | Litigation over the Welwitsch Collection: The King of Portugal v W Carruthers and F Justen | |
| DF/BOT/404/2/11 | Litigation over the Welwitsch Collection: brief of plaintiff's manuscript evidence, with his affidavits and the exhibits referred to | |
| DF/BOT/404/2/12 | Litigation over the Welwitsch Collection : Affidavits on the part of the plaintiff, Printed | |
| DF/BOT/404/2/20 | Litigation over the Welwitsch Collection: invoices, accounts and correspondence relating to costs | |
| DF/BOT/404/2/23 | Litigation over the Welwitsch Collection: notes by W.Carruthers on the collections at the Royal Botanic Gardens, Kew and other matters | |
| DF/BOT/404/2/24 | Litigation over the Welwitsch Collection: correspondence of W Carruthers with B A Gomes, J D Hooker, G A Schweinfurth and others | |
| DF/BOT/400/3/61 | Welwitsch, Freidrich Martin Josef | |
| DF/BOT/404 | Keeper of Botany's Correspondence and Papers | |