| BCCP | Board of Commissioners of the Central Park |
| CLB | Charles Loring Brace |
| AHG | Andrew Haswell Green |
| FJK | Frederick John Kingsbury |
| FLO | Frederick Law Olmsted |
| JHO | John Hull Olmsted |
| JO | John Olmsted |
| MPO | Mary Perkins Olmsted |
| CV | Calvert Vaux |
| DAB | Dictionary of American Biography |
| DNB | Dictionary of National Biography |
| EB | Encyclopaedia Britannica |
| NCAB | National Cyclopaedia of American Biography |
| NYDT | New-York Daily Times |
| OED | Oxford English Dictionary |