Slide sets:

 Animal studies at the Zoo (lecture: Valentine & Sons, 18 slides, 1893)

 The animals at the gardens of the Zoological Society of London: 1875 (lecture: manufacturer unknown, 50 slides, n.d.)

 Animals at the Zoological Gardens: photographed from life (lecture: York & Son, 215 slides, in/before 1888)

 His Royal Highness the Prince of Wales' collection of Indian animals at the Zoo (lecture: York & Son, 18 slides, in/before 1888)

 Old and new friends at the Zoo (lecture: York & Son, 50 slides, 1897)

 Rambles round the London Zoological Gardens: chapter I -- animal humorists (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter II -- wigs and whiskers (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter III -- carrion hunters (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter IV -- builders and miners (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter V -- living submarines (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter VI -- stars and stripes (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter VII -- the 'upper ten' (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter VIII -- armour-plated animals (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter IX -- giants and dwarfs (lecture: Houghton-Butcher, 8 slides, 1927)

 Rambles round the London Zoological Gardens: chapter X -- special practitioners (lecture: Houghton-Butcher, 8 slides, 1927)

 A visit to the Zoo (lecture: G.M. Mason, 40-71 slides, in/after 1903)

 A walk in the 'Zoo' (lecture: York & Son, 48 slides, in/before 1888)

 A walk round the Zoo (lecture: Newton & Co., 62 slides, in/before 1926)

Texts:

 Old and new friends at the Zoo (London: York & Son, 1897)