Columbia subject headings:
Botanical gardens--Italy--Mortola--Congresses.
Giardino Botanico Hanbury (Mortola, Italy)--Congresses.
Hanbury, Thomas, Sir, 1832-1907--Homes and haunts--Italy--Mortola--Congresses.
Mortola (Italy)--Buildings, structures, etc.--Congresses.
Harvard subject headings:
Art--Private collections--Italy--Mortola--Congresses.
Botanical gardens--Italy--Mortola--Congresses.
Giardino Botanico Hanbury (Mortola, Italy)--Congresses.
Hanbury, Thomas, Sir, 1832-1907--Archaeological collections--Congresses.
Hanbury, Thomas, Sir, 1832-1907--Homes and haunts--Italy--Mortola--Congresses.
Hanbury, Thomas, Sir, 1832-1907--Library--Congresses.
Mortola (Italy)--Buildings, structures, etc.--Congresses.
Princeton subject headings:
Botanical gardens--Italy--Mortola--Congresses.
Giardino Botanico Hanbury (Mortola, Italy)--Congresses.
Hanbury, Thomas, Sir, 1832-1907--Homes and haunts--Italy--Mortola--Congresses.
Mortola (Italy)--Buildings, structures, etc.--Congresses.