def get_late_roman(lang='both'):
    """Access Late Roman period productions

    Parameters
    ----------
    lang : {'both', 'eng', 'cat'}
        The language you need for the output

    Returns
    -------
    productions : dict, list
        Late Roman period productions. If lang='both', return dict, else return a list
    """
    p = {'Late Roman amphorae (LRA)': 'Late Roman amphorae (LRA)',
         'Terra Sigillata - Hispanic': 'Terra Sigillata - Hispànica',
         'Terra Sigillata - African A': 'Terra Sigillata - Africana A',
         'Terra Sigillata - African C': 'Terra Sigillata - Africana C',
         'Terra Sigillata - African D': 'Terra Sigillata - Africana D',
         'DSP Derivee de sigille paleochretienne': 'DSP Derivee de sigille paleochretienne',
         'Roman common ware': 'Ceràmica Comuna Romana',
         'Roman oil lamp': 'Llàntia romana',
         'Late Roman C': 'Late Roman C',
         'Late Roman cooking ware': 'Late Roman cooking ware'
         }

    productions = None

    if lang == 'both':
        productions = p
    elif lang == 'eng':
        productions = list(p.keys())
    elif lang == 'cat':
        productions = list(p.values())

    return productions