I Wonder Why - Sixteen songs for the children
| Illustrator | W. Graham Robertson |
| Lyrics by | Dorothy Pleydell-Bouverie |
| Publisher | William Collins Sons & Co Ltd., Herman Darewski Music Publishing Co Ltd. |
| Copyright Holder | Herman Darewski Music Publishing Co Ltd. |
| Format | Hardback |
| Language | English |
| First Printing | 1920 |
| Copyright | 1920 |
| Pages / Font | 72 pages |
| Chapters | 16 |
| Notes | Publisher: London : W. Collins Sons & Co. in conjunction with H. Darewski Music Pub. Co., ©1920. |
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