| RefNo | Title | Source |
| DF/ENT/340/19/14 | Rückbeil, W (addition) | |
| DF/ENT/340/8/16 | Howard - Howell | |
| DF/ENT/340/6/11 | Farren - Fay | |
| DF/ENT/340/8/17 | Hsu - Humphreys | |
| DF/ENT/340/14/27 | Merdivenci - Meynier | |
| DF/ENT/340/26/10 | Zatzaru - Zeledon | |
| DF/ENT/340/4/17 | Dampf Jenson, Dr Alfonso | |
| DF/ENT/340/31/10 | Flea collection (I) | |
| DF/ENT/340/20/16 | Seidl - Seytre | |
| DF/ENT/340/20/19 | Shaw - Shu | |
| DF/ENT/340/16/8 | Ordish - Osborn | |
| DF/ENT/340/22/10 | Tay (II): Taylor | |
| DF/ENT/340/4/16 | Dabbene -Dammers | |
| DF/ENT/340/25/27 | Whitcock - Who's Who | |
| DF/ENT/340/25/20 | Watkins - Watts | |
| DF/ENT/340/8/11 | Hope - Hopwood | |
| DF/ENT/340/8/21 | Hurk - Hyre | |
| DF/ENT/340/8/2 | Hatchards - Haydock | |
| DF/ENT/340/13/6 | Lea - Leclercq | |
| DF/ENT/340/12/11 | Kleinhont - Kloss | |
| DF/ENT/340/2/16 | Bierkens - Birdseye | |
| DF/ENT/340/23/3 | Thomas, Oldfield | |
| DF/ENT/340/19/13 | Rückbeil, W (II) | |
| DF/ENT/340/8/7 | Hibbard - Hilton | |
| DF/ENT/340/5/4 | Dreyfus - Dyatlova | |
| DF/ENT/340/23/10 | Tiraboschi, Carlo | |
| DF/ENT/340/21/15 | Stuckland - Stuardo | |
| DF/ENT/340/23/1 | Tendeiro - Thackray | |
| DF/ENT/340/4/1 | Cimballi, Nello | |
| DF/ENT/340/14/17 | Marshall, Sir Guy A K | |
| DF/TR/1/1/27/41 | Bickhardt, [Heinrich] | |
| DF/TR/1/1/27/60 | Boyadjian, B H | |
| DF/TR/1/1/28/214 | Garrett, C | |
| DF/ZOO/200/70/37 | Rothschild, Honorable N C | |
| DF/TR/1/1/28/463 | Poling, T C | |
| DF/TM/1/37/15 | Correspondence P: Peed; Peel; Perkins; Perks | |
| DF/ENT/340/7/21 | Hamson - Hase | |
| DF/TM/1/54/18 | Correspondence B: Buckle; Bull; Bullen; Burlamamaechi | |
| DF/ENT/340/15/8 | Mottaz - Mrciak | |
| DF/ENT/340/20/26 | Slais - Smit | |
| DF/TM/1/58/18 | Correspondence R: Rothschild; Royal Mail Steam Packet Co; Rubur; Rüffer & Sons | |
| DF/ENT/340/4/5 | Clay - Cluff | |
| DF/ENT/340/2/14 | Bernard - Besuchet | |
| DF/BOT/400/16/26 | Correspondence Rog - Ru | |
| DF/TM/1/9/13 | Correspondence R: Rippon; Ritsema; Robley; Rockliffe & Co; Rothschild | |
| DF/ENT/340/15/4 | Mimeur - Mitzmain | |
| DF/ENT/340/5/11 | Efford - Ehrhard | |
| DF/ENT/340/8/14 | Hoerning - Houhold | |
| DF/ZOO/235/1/1/4/196 | Rothschild. N. Charles | |
| DF/TR/1/1/25/225 | Holme, Ringer & Co | |
| DF/TR/1/1/27/138 | Dodd, [Frederick] [Pankhurst] | |
| DF/ENT/340/21/12 | Still - Stott | |
| DF/TR/1/1/26/595 | Wilson, Edward | |
| DF/TR/1/1/28/166 | Ely, Talfourd | |
| DF/ENT/340/2/7 | Begg - Behr | |
| DF/TM/1/38/10 | Correspondence R: Rothschild | |
| DF/ZOO/200/58/64 | Rothschild, Nathaniel Charles, 1877-1923 (London) | |
| DF/ZOO/200/45/341-342 | Rothschild, [Nathaniel] Charles | |
| DF/ENT/340/19/12 | Rückbeil, W (I) | |
| DF/TM/1/18/11 | Correspondence B: Brazenor Brothers; Breysig | |
| DF/ENT/340/4/3 | Clark - Clarke | |
| DF/ENT/340/4/24 | Dav (II): Davies - Day | |
| DF/ENT/340/4/14 | Cova - Crowcroft | |
| DF/ENT/340/2/12 | Berg-Berl items | |
| DF/ENT/340/4/12 | Corbet - Cottee | |
| DF/ENT/340/15/25 | Nieholux - Nikolskaya | |
| DF/BOT/400/18/35 | Correspondence Ra - Ro | |
| DF/ENT/340/3/18 | Chauvin - Chubt | |
| DF/ENT/340/25/19 | Waterstone, James | |
| DF/ENT/340/7/9 | Griffin - Guerrero | |
| DF/TR/1/1/26/512 | Simmonds, Hubert W | |
| DF/ENT/340/1/14 | Baker, Prof Charles Fuller | |
| DF/TR/1/1/24/219 | Illuminated Advertisements Co | |
| DF/ENT/340/21/13 | Strachan - Strickland | |
| DF/ENT/340/7/18 | Haffkine - Hamptons | |
| DF/ENT/340/18/9 | Richards - Ringelke | |
| DF/ENT/340/21/10 | Stephens - Steyn | |
| DF/ENT/340/21/9 | Stationery - Steinwender | |
| DF/ZOO/230/4/308 | Rothschild, N Charles | |
| DF/ENT/340/18/3 | Radvan - Rapidograph | |
| DF/ENT/340/6/7 | Facius, William | |
| DF/ZOO/230/23/37 | Rothschild, Nathaniel Charles | |
| DF/ENT/340/12/9 | Klages - Klatt | |
| DF/ZOO/252/1/7/38 | Rothschild, Nathaniel Charles (London) | |
| DF/ZOO/252/1/12/27 | Rothschild, Nathaniel Charles (London) | |
| DF/ZOO/252/1/10/10 | Rothschild, Nathaniel Charles (London & Tring) | |
| DF/ENT/340/7/5 | Grant - Green | |
| DF/ENT/340/5/3 | Doane - Dowson | |
| DF/ENT/340/5/10 | Easton - Edwards | |
| DF/ENT/340/12/12 | Knight - Kolokotina | |
| DF/ENT/340/8/5 | Healey - Helsdingen | |
| DF/ENT/340/6/13 | Fock - Forward | |
| DF/ENT/340/14/19 | Martin - Mason | |
| DF/ENT/340/15/12 | Musco - Mysterud | |
| DF/ENT/340/16/2 | Nuttall, Prof George Henry Falkiner | |
| DF/ENT/340/15/20 | Naval - Neghme | |
| DF/ENT/340/21/3 | Sordelli - Sowerby | |
| DF/ENT/340/18/14 | Ronald - Rosenfeld | |
| DF/ENT/340/23/14 | Townsend - Trpis | |
| DF/ENT/340/25/18 | Wallis - Wasserburger | |
| DF/ENT/340/26/1 | Wickham - Wilkinson | |
| DF/ENT/340/26/8 | Wright - Wytsman | |
| DF/ENT/340/26/12 | Zimmerman - Zwilling | |
| DF/BOT/400/9/61 | Rothschild, Nathaniel Charles (London) | |
| DF/BOT/400/15/20 | Correspondence R | |
| DF/TM/1/13/10 | Correspondence G: Giffard; Gilliat; Godman; Goering; Goss; Grace | |
| DF/TR/1/1/25/34 | Bell, W C | |
| DF/TM/1/66/10 | Correspondence R: Rothschild; Roussett; Rowntrey; Ruffer & Sons | |
| DF/TR/1/1/28/241 | Gray, Albert A | |
| DF/TR/1/1/29/560 | Schroeder, Chr | |
| DF/ADM/1004/234 | Collections: N C Rothschild's Siphonapleia and accounts | |
| DF/ENT/340/16/3 | Oakley - Olsson | |
| DF/ENT/340/14/13 | Mail - Marcus | |
| DF/ENT/340/25/25 | Whang - White | |
| DF/ENT/340/8/6 | Hemingway - Heyligers | |
| DF/ENT/340/13/3 | Landmark - Lanza | |
| DF/ENT/340/23/5 | Thompson - Tiflov | |
| DF/ENT/340/26/3 | Wilson | |
| DF/ENT/340/21/4 | Spectrum - Sprague | |
| DF/ENT/340/20/22 | Shvarts - Sjostedt | |
| DF/ENT/340/14/4 | Lowe - Luigioni | |
| DF/ENT/340/8/9 | Ho - Honour | |
| DF/ENT/340/3/14 | Buxton, Prof Patrick Alfred | |
| DF/ENT/340/20/13 | Scott - Skuratowicz | |
| DF/ENT/340/8/8 | Hincks - Hither Green | |
| DF/ENT/340/13/8 | Leech - Leloup | |
| DF/ENT/340/14/25 | Meinertzhagen - Meloni | |
| DF/ENT/340/18/19 | Roth - Rozen | |
| DF/ENT/340/26/6 | Wodzicki - Wooster | |
| DF/ENT/340/3/17 | Chabaud - Charleston | |
| DF/ENT/340/7/2 | Giacomelli - Glumac | |
| DF/PAL/100/46/266 | Rothschild, N. C. | |
| DF/PAL/100/46/267 | Rothschild, N. C. | |
| DF/PAL/100/54/301 | Rothschild, N. C. | |
| DF/ZOO/200/50/443 | Rothschild, [Nathaniel] Charles | |
| DF/ZOO/200/51/433 | Rothschild, [Nathaniel Charles] | |
| DF/ZOO/200/52/66-68 | Rothschild, [Nathaniel] Charles | |
| DF/ENT/340/1/4 | Aldrich - Altman | |
| DF/ENT/340/1/8 | Atkinson - Augustson | |
| DF/ENT/340/1/13 | Baars - Baker | |
| DF/ENT/340/3/15 | Byram - Capra | |
| DF/ENT/340/6/15 | Fox, Dr Caroll | |
| DF/ENT/340/6/12 | Fearnley - Flux | |
| DF/ENT/340/15/6 | Mogensen - Moore | |
| DF/ENT/340/20/28 | Smith - Snow | |
| DF/TR/1/1/25/102 | Cooper, Mary | |
| DF/TR/1/1/24/232 | Jones, William A Dashwood- | |
| DF/ENT/340/1/3 | Aeschlimann - Akademii | |
| DF/ENT/340/1/6 | Amaru - Ansari | |
| DF/ENT/340/1/7 | Arata - Assuricao | |
| DF/ENT/340/2/5 | Beaumont - Beer | |
| DF/ENT/340/2/17 | Bishop - Blickle | |
| DF/ENT/340/3/1 | Board - Borough | |
| DF/ENT/340/3/3 | Box - Brimley | |
| DF/ENT/340/3/9 | Bronswijk - Bueno | |
| DF/ENT/340/3/11 | Buncle - Butterfield | |
| DF/ENT/340/4/6 | Cockerell - Collins | |
| DF/ENT/340/5/1 | Department - Devignat | |
| DF/ENT/340/5/16 | Eley - Emelyanova | |
| DF/ENT/340/6/2 | EOS - Ewing | |
| DF/ENT/340/6/17 | Franklin - Fuhes | |
| DF/ENT/340/7/1 | Gaaboub - Ghidini | |
| DF/ENT/340/7/3 | Goat - Gowing | |
| DF/ENT/340/7/19 | Hanney - Harris | |
| DF/ENT/340/12/7 | Kawazoe - Keymer | |
| DF/ENT/340/13/5 | Larson - Layne | |
| DF/ENT/340/13/10 | Lendl - Lewis | |
| DF/ENT/340/13/20 | Lindgren - Liston | |
| DF/ENT/340/13/21 | Chi-ying, Prof Emeritus Liu | |
| DF/ENT/340/14/21 | Matile - Mayer | |
| DF/ENT/340/14/22 | McArthur - McRobert | |
| DF/ENT/340/15/24 | Newsholme - New Zealand | |
| DF/ENT/340/16/17 | Pazos - Petrides | |
| DF/ENT/340/18/10 | Robert - Rolston | |
| DF/ENT/340/20/10 | Schaper - Scholten | |
| DF/ENT/340/22/6 | Tandan - Tauber | |
| DF/ENT/340/25/15 | Wagner, Prof Dr N Julius | |
| DF/ENT/340/25/24 | Weir - Wettstein | |
| DF/ENT/340 | Custodian of the Rothschild Collection of Siphonaptera, Correspondence and Papers | |
| DF/PAL/100/46/265 | Rothschild, N. C. | |
| DF/TM/1/68/6 | Correspondence W: Wheatley; White; Wiestenberg; Wilkinson; Williams; Williams & Son; Wilson; Witherby; Witwe | |
| DF/TM/3/8/4 | Collection of military and touring ordnance, topographic and road maps | |
| DF/ENT/340/16/10 | Osgood - Oxford | |
| DF/ZOO/230/26 | Letterbook O-T (1900-1914): Letters to William Ogilvie-Grant and others, mostly concerning the collection of birds | |
| DF/ADM/1001/42 | Outgoing Letterbook, 11 Oct 1911 - 24 Apr 1912 | |