Op 26 no 1

• Bars 6, 12 (numbered from the first complete bar)
  The diminuendo hairpin on the first two beats is absent in the 1913 edition
• Bar 7
  1930 edition has a pedal mark on each of the 4 beats
• Bar 9
  1930 edition marked cantando with a pedal mark at the start of the bar
• Bar 11
  Arpeggiated chord in the RH is accented in the 1930 edition but has a tenuto mark in the 1959 edition. Pedal mark in the 1930 edition.
• Bar 12
  1930 edition has p in the RH on the 3rd beat
• Bar 13
  1930 edition marked poco mobile above the RH
• Bars 16-17
  1930 edition marked tranq. espressivo above the RH in bar 16 and espress. calando above the second RH phrase in bar 17. The pp on the last note of the RH in bar 16 is absent from the 1913 edition. The 1930 edition also has pp under the first LH phrase in Bar 17.
• Bar 18
  1930 edition marked con ped.. The two later editions are fingered 3 in the second note of the LH, 4 in the 1913 edition.
• Bar 24
  poco più mosso is missing from the 1913 edition
• Bar 30
  1930 edition marked espress. above the first phrase in the RH. There are pedal marks at the start of the 1st and 3rd beats, each released halfway through the following beat.
• Bar 31
  1930 edition has p above the phrase in the RH
• Bar 32
  The molto rit and pedal mark on the 3rd beat are only present in the 1959 edition
• Bar 33
  The dynamic is pp in 1913 rather than ppp and there is no additional marking on the final note. The 1930 edition has pp in both places and and additional pp in the LH.
• Bar 35
  Both the 1913 and 1930 editions have an additional B flat between the two E flats in the arpeggiated chord in the RH. In the 1930 edition this chord is accented and there is a pedal mark in the LH.
• Bars 36-38
  The 1930 edition has a pedal mark on the 1st and 3rd beats of bars 36-37 and on the 1st beat of bar 37
• Bar 40
  The 1959 edition bears the mark pp sub. above the LH at the start of the bar
• Bar 42
  1930 edition has espress. in the LH
• Bar 43
  1930 edition marked diminuendo e poco mobile at the beginning of the 4th beat
• Bar 45
  1930 edition marked legatissimo
• Bars 46-47
  In the 1913 edition the pedal is held until the conclusion of the last note, rather than on the preceding half-note as in the other two editions

Op 26 no 2

• Bar 8
  Ab on second eighth-note in LH is tied to the previous chord in the 1913 edition
• Bars 26, 28
  The 1913 edition has a hairpin on the 3rd beat in the RH in each of these bars, mirroring bar 29
• Bar 39
  The Ab in the final LH chord (which duplicates the main note in the RH) is absent in the 1913 edition.
• Bar 41
  In 1913 the marking is fz not f
• Bar 51
  In 1913 there is a f mark preceding the hairpin
• Bar 63
  The 1913 edition has a pedal mark on each of the four beats

Op 26 no 3

• Bars 16-17
  The 1913 edition lacks the Pedal over the two bars
• Bars 19-26
  The 1913 edition lacks the indication "poco a poco quasi valse" in bar 19 and the sempre accel in bar 20. It also lack the tempo marking "Tempo di Valse (sempre accelerando)" in bar 26. The Eb at the start of bar 26 is only a quarter note in the 1913 edition, possibly an error.
• Bars 28-29
  The 1913 edition lacks two Eb eighth notes in the treble, above the Bb at the end of bar 28 and above the G in bar 29. These mirror the Eb eight notes in bars 25-26. Most probably this was an error in the original edition that Medtner corrected.
• Bar 30
  In 1913 the marking is con Ped. rather than Ped.. There are minor differences in the pedal marks elsewhere in the piece.
• Bar 34
  1913 edition lacks con moto
• Bar 55
  The 1913 edition gives mp cantabile
• Bar 58
  The 1913 edition has mf above the second note in the RH
• Bar 60
  The 1913 edition has poco più mobile above the last note in the RH
• Bars 64-66
  The 1913 edition has a diminuendo in bar 64 and p in bar 66
• Bars 67-70
  The 1913 edition is marked poco largamente in bar 67 and ritenuto halfway through bar 68 leading to p at the start of bar 70
• Bar 71
  The 1913 edition bears the indication (tenuto al fine) next to the low F. It lacks the marking articollando
• Bar 78
  The 1913 edition has a half note followed by two eighth notes, the 1959 edition a dotted half note followed by two grace notes
• final bar
  The last note is marked ppp in the 1913 edition

Op 26 no 4

• Bar 73 (numbered from the first complete bar)
  con moto missing from 1913 edition