<?PHP
declare(strict_types = 1);
$topic = array (
  'material_technique' => 'Material / Technique',
  'measurements' => 'Measurements',
  'when' => 'when',
  'where' => 'where',
  'who' => 'who',
  'object_from' => 'Object from',
  'original_entry' => 'original entry',
  'literature' => 'Literature',
);