Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Pegasus veter. - Peg
           (Planetary system) 51 Pegasi
           (Planetary system) HD 209458
           001314.2+151101 (Star system) γ Pegasi - Algenib
           001436.2+201224 (Star) χ Pegasi
           2130.0+1210 (Globular cluster) M15
           214411.2+095230 (Star system) ε Pegasi - Enif
           214438.7+253842 (Star system) κ Pegasi
           220540.8+050331 (Star) ν Pegasi
           220700.7+252042 (Star system) ι Pegasi
           220913.6+331020 (Star system) π¹ Pegasi
           220959.2+331042 (Star) π² Pegasi
           221012.0+061152 (Star) θ Pegasi - Biham
           224127.7+104953 (Star system) ζ Pegasi - Homam
           224145.4+291827 (Star) ο Pegasi
           224300.1+301317 (Star system) η Pegasi - Matar
           224631.9+233356 (Star) λ Pegasi
           224641.6+121022 (Star system) ξ Pegasi
           225000.2+243606 (Star) μ Pegasi - Sadalbari
           225224.1+095008 (Star) σ Pegasi
           225513.7+084857 (Star) ρ Pegasi
           230346.5+280458 (Star system) β Pegasi - Scheat
           230445.7+151219 (Star) α Pegasi - Markab
           232038.2+234425 (Star) τ Pegasi
           232522.8+232415 (Star) υ Pegasi
           235229.3+190713 (Star) φ Pegasi
           235745.5+250829 (Star system) ψ Pegasi